Gyneco (378)

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1. During the routine examination of the umbilical cord and placenta after a spontaneous vaginal delivery, you notice that the baby had only one umbilical artery. Which of the following is true regarding the finding of a single umbilical artery?

Explanation

A single umbilical artery is associated with an increased incidence of congenital anomalies in the fetus. This finding is not considered common or insignificant, as it suggests that further evaluation may be necessary to identify any potential abnormalities or malformations in the baby. The presence of a single umbilical artery is not related to the mother's diabetic status and is not present in a specific percentage of all births.

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About This Quiz
Obstetrics And Gynecology Quizzes & Trivia

The 'Gyneco (378)' quiz assesses knowledge in obstetrics and gynecology, focusing on medication impacts during pregnancy and appropriate treatments for various conditions affecting pregnant women. This quiz is... see morecrucial for medical students and professionals specializing in gynecology. see less

2. A 32-year-old female presents to the emergency department with abdominal pain and vaginal bleeding. Her last menstrual period was 8 weeks ago and her pregnancy test is positive. On examination she is tachycardic and hypotensive and her abdominal examination findings reveal peritoneal signs, a bedside abdominal ultrasound shows free fluid within the abdominal cavity. The decision is made to take the patient to the operating room for emergency exploratory laparotomy. Which of the following is the most likely diagnosis?

Explanation

The patient's presentation of abdominal pain, vaginal bleeding, positive pregnancy test, tachycardia, hypotension, peritoneal signs, and free fluid on abdominal ultrasound are all consistent with a ruptured ectopic pregnancy. Ectopic pregnancy occurs when the fertilized egg implants outside of the uterus, commonly in the fallopian tubes. Rupture of the ectopic pregnancy can lead to internal bleeding, which can cause the patient's symptoms of abdominal pain and hypotension. Emergency exploratory laparotomy is necessary to address the life-threatening condition.

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3. A 19-year-old G1P0 presents to her obstetrician's office for a routine OB visit at 32 weeks gestation. Her pregnancy has been complicated by gestational diabetes requiring insulin for control. She has been noncompli- ant with diet and insulin therapy. She has had two prior normal ultra- sounds at 20 and 28 weeks gestation. She has no other significant past medical or surgical history. During the visit, her fundal height measures 38 cm. Which of the following is the most likely explanation for the discrepancy between the fundal height and the gestational age?

Explanation

The most likely explanation for the discrepancy between the fundal height and the gestational age in this case is polyhydramnios. Polyhydramnios refers to an excessive amount of amniotic fluid surrounding the fetus. In this scenario, the fundal height measurement is larger than expected for the gestational age, suggesting that there is more amniotic fluid present. This can be caused by various factors, including gestational diabetes, which the patient has been diagnosed with. Noncompliance with diet and insulin therapy may have contributed to the development of polyhydramnios in this case.

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4. A 27-year-old has just had an ectopic pregnancy. Which of the following events would be most likely to predispose to ectopic pregnancy?

Explanation

Pelvic inflammatory disease (PID) would be most likely to predispose to ectopic pregnancy because it can cause scarring and damage to the fallopian tubes, making it more difficult for a fertilized egg to pass through and implant in the uterus. This increases the risk of the egg implanting in the fallopian tube instead, resulting in an ectopic pregnancy. Previous cervical conization, use of a contraceptive uterine device (IUD), induction of ovulation, and exposure in utero to diethylstilbestrol (DES) are not directly associated with an increased risk of ectopic pregnancy.

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5. A 40-year-old G2P1001 presents to your office for a routine OB visit at 30 weeks gestational age. Her first pregnancy was delivered 10 years ago and was uncomplicated. She had a normal vaginal delivery at 40 weeks and the baby weighed 7 lb. During this present pregnancy, she has not had any complications, and she reports no significant medical history. She is a non- smoker and has gained about 25 lb to date. Despite being of advanced maternal age, she declined any screening or diagnostic testing for Down syndrome. Her blood pressure range has been 100 to 120/60 to 70. During her examination, you note that her fundal height measures only 25 cm. Which of the following is a likely explanation for this patient's decreased fundal height?

Explanation

The likely explanation for this patient's decreased fundal height is fetal growth restriction. Fundal height is a measurement of the distance from the pubic bone to the top of the uterus, which typically corresponds to the number of weeks of gestation. In this case, the patient is 30 weeks gestational age, but her fundal height measures only 25 cm. Fetal growth restriction refers to a condition where the fetus is not growing at the expected rate. This can be caused by various factors, such as placental insufficiency or maternal medical conditions. In this patient, there are no reported complications or medical history, making fetal growth restriction a likely explanation for the decreased fundal height.

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6. At 1 year of age, a child has six deciduous teeth, which are discolored and have hypoplasia of the enamel. Match the appropriate scenario with the antibiotic most likely responsible for the clinical findings presented.

Explanation

Tetracycline is known to cause discoloration and hypoplasia of the enamel in developing teeth. This is because tetracycline binds to calcium ions in the developing teeth, leading to the deposition of the drug in the enamel and dentin. This can result in a yellow-brown discoloration of the teeth and enamel hypoplasia. The other antibiotics listed do not typically cause these specific dental findings.

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7. A nulliparous woman has had arrest of descent for the past 2 hours and arrest of dilation for the past 3 hours. The cervix is dilated to 7 cm and the vertex is at +1 station. Monitoring shows a normal pattern and adequate contractions. Fetal weight is estimated at 7.5 lb. Select the most appropriate treatment for above clinical situation.

Explanation

The given clinical situation describes a nulliparous woman who has been experiencing arrest of descent and dilation during labor. The cervix is dilated to 7 cm and the vertex is at +1 station. Despite normal monitoring and adequate contractions, the labor has not progressed for several hours. Additionally, the estimated fetal weight is 7.5 lb. Given these factors, the most appropriate treatment would be a cesarean section. This is because the prolonged arrest of descent and dilation, along with the estimated fetal weight, suggest that a vaginal delivery may not be successful or safe for the mother and baby.

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8. A 20-year-old G1 at 41 weeks has been pushing for 21/2 hours. The fetal head is at the introitus and beginning to crown. It is necessary to cut an episiotomy. The tear extends through the sphincter of the rectum, but the rectal mucosa is intact. How should you classify this type of episiotomy?

Explanation

The tear extending through the sphincter of the rectum indicates that this episiotomy is a third-degree tear. A first-degree tear involves only the perineal skin, a second-degree tear involves the perineal muscles, and a third-degree tear involves the anal sphincter. A fourth-degree tear would involve the anal sphincter and rectal mucosa, but in this case, the rectal mucosa is intact. Mediolateral episiotomy is not relevant to the classification of the tear.

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9. You are following a 38-year-old G2P1 at 39 weeks in labor. She has had one prior vaginal delivery of a 3800-g infant. One week ago, the esti- mated fetal weight was 3200 g by ultrasound. Over the past 3 hours her cervical examination remains unchanged at 6 cm. Fetal heart rate tracing is reactive. An intrauterine pressure catheter (IUPC) reveals two contractions in 10 minutes with amplitude of 40 mm Hg each. Which of the following is the best management for this patient?

Explanation

In this scenario, the patient is in labor at 39 weeks with a history of one prior vaginal delivery. The estimated fetal weight one week ago was 3200 g, but the current cervical examination remains unchanged at 6 cm over the past 3 hours. The fetal heart rate tracing is reactive, indicating that the baby is tolerating labor well. The intrauterine pressure catheter reveals two contractions in 10 minutes with an amplitude of 40 mm Hg each. Given these findings, the best management for this patient would be the administration of oxytocin to augment labor progress and help the patient achieve cervical dilation and fetal descent.

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10. Which one do you like?

Explanation

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11. A 30-year-old G3P3, who is 8 weeks postpartum and regularly breast-feeding calls you and is very concerned because she is having pain with intercourse secondary to vaginal dryness. Which of the following should you recommend to help her with this problem?

Explanation

Postpartum women often experience vaginal dryness due to hormonal changes. Estrogen cream is a recommended treatment as it helps to restore moisture and elasticity to the vaginal tissues. It is safe to use while breastfeeding and can provide relief from pain during intercourse. Applying hydrocortisone cream or petroleum jelly is not effective for treating vaginal dryness. Testosterone cream is not recommended for women as it can have masculinizing effects. Stopping breastfeeding is not necessary to address this issue.

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12. A 39-year-old G3P3 comes to see you on day 5 after a second repeat cesarean delivery. She is concerned because her incision has become very red and tender and pus started draining from a small opening in the inci- sion this morning. She has been experiencing general malaise and reports a fever of 38.8°C (102°F). Physical examination indicates that the Pfan- nenstiel incision is indeed erythematous and is open about 1 cm at the left corner, and is draining a small amount of purulent liquid. There is tender- ness along the wound edges. Which of the following is the best next step in the management of this patient?

Explanation

The patient's symptoms of redness, tenderness, purulent drainage, malaise, and fever suggest an infection at the incision site. The best next step in management would be to probe the fascia to assess the depth and extent of the infection. This will help determine the appropriate course of action, such as initiating antibiotics, wound care, or surgical intervention. Applying Steri-Strips, administering antifungal medication, or reapproximating the wound edge would not address the underlying infection. Taking the patient to the operating room for debridement and closure of the skin may be necessary if the infection is severe or extensive.

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13. A primipara is in labor and an episiotomy is about to be cut. Compared with a midline episiotomy, which of the following is an advantage of mediolateral episiotomy?

Explanation

Mediolateral episiotomy is advantageous compared to midline episiotomy because it is less likely to extend further during the healing process. This means that the incision is less likely to cause additional trauma and damage to the surrounding tissues, resulting in better healing and less complications.

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14. A 24-year-old woman (G3P2) is at 40 weeks gestation. The fetus is in the transverse lie presentation. For above clinical description, select the most appropriate procedure.

Explanation

External version is the most appropriate procedure for a 24-year-old woman at 40 weeks gestation with a fetus in the transverse lie presentation. External version involves manually manipulating the fetus from a transverse lie position to a head-down position externally on the mother's abdomen. This procedure is typically done to avoid a cesarean section and allow for a vaginal delivery. Internal version, midforceps rotation, low transverse cesarean section, and classic cesarean section are not appropriate procedures for a transverse lie presentation.

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15. A 27-year-old G2P1 at 38 weeks gestation was admitted in active labor at 4 cm dilated; spontaneous rupture of membranes occurred prior to admission. She has had one prior uncomplicated vaginal delivery and denies any medical problems or past surgery. She reports an allergy to sulfa drugs. Currently, her vital signs are normal and the fetal heart rate tracing is reactive. Her prenatal record indicates that her Group B streptococcus (GBS) culture at 36 weeks was positive. What is the recommended antibiotic for prophylaxis during labor?

Explanation

Penicillin is the recommended antibiotic for prophylaxis during labor in a patient who is GBS positive. GBS is a common bacterium that can be found in the vagina or rectum of about 25% of all healthy adult women. It can be transmitted to the newborn during delivery and can cause serious infections. Penicillin is effective in preventing GBS transmission to the newborn and is the first-line antibiotic for prophylaxis. Cefazolin is an alternative for patients with a penicillin allergy, but this patient does not have a penicillin allergy. Clindamycin, erythromycin, and vancomycin are not recommended for GBS prophylaxis.

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16. A 21-year-old G2P2 calls her physician 7 days postpartum because she is concerned that she is still bleeding from the vagina. She describes the bleeding as light pink to bright red and less heavy than the first few days postdelivery. She denies fever or any cramping pain. On examination she is afebrile and has an appropriately sized, nontender uterus. The vagina con- tains about 10 cc of old, dark blood. The cervix is closed. Which of the fol- lowing is the most appropriate treatment?

Explanation

The patient in this scenario is 7 days postpartum and experiencing light pink to bright red bleeding, which is normal after delivery. The bleeding is also less heavy than the first few days postdelivery, indicating a normal progression of postpartum bleeding. The absence of fever, cramping pain, and the presence of an appropriately sized, nontender uterus suggest that there are no signs of infection or uterine atony. The small amount of old, dark blood in the vagina is likely residual blood from the delivery. Therefore, the most appropriate treatment in this case is reassurance, as the patient's symptoms are consistent with normal postpartum bleeding.

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17. A 28-year-old G2P2 presents to the hospital 2 weeks after vaginal delivery with the complaint of heavy vaginal bleeding that soaks a sanitary napkin every hour. Her pulse is 89 beats per minute, blood pressure 120/76 mm Hg, and temperature 37.1°C (98.9°F). Her abdomen is non- tender and her fundus is located above the symphysis pubis. On pelvic examination, her vagina contained small blood clots and no active bleeding is noted from the cervix. Her uterus is about 12 to 14 weeks size and non- tender. Her cervix is closed. An ultrasound reveals an 8-mm endometrial stripe. Her hemoglobin is 10.9, unchanged from the one at her vaginal delivery. β-hCG is negative. Which of the following potential treatments would be contraindicated?

Explanation

Dilation and curettage (D&C) is a surgical procedure in which the cervix is dilated and the uterine lining is scraped or suctioned. It is commonly used to treat heavy vaginal bleeding after delivery. However, in this case, the patient has a closed cervix and no active bleeding. Additionally, her hemoglobin level is stable and there is no evidence of retained products of conception. Therefore, D&C would not be indicated and is contraindicated in this situation.

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18. A patient presents for prenatal care in the second trimester. She was born outside the United States and has never had any routine vaccinations. Which of the following vaccines is contraindicated in pregnancy?

Explanation

Measles vaccine is contraindicated in pregnancy because it is a live attenuated vaccine. Live vaccines are generally avoided during pregnancy due to the theoretical risk of transmission of the live virus to the fetus. In the case of the measles vaccine, there is a small risk of developing measles infection from the vaccine, which could potentially harm the fetus. Therefore, it is recommended to administer the measles vaccine either before pregnancy or after delivery to ensure the safety of both the mother and the baby.

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19. A 25-year-old G1P0 patient at 41 weeks presents to labor and delivery complaining of gross rupture of membranes and painful uterine contractions every 2 to 3 minutes. On digital examination, her cervix is 3 cm dilated and completely effaced with fetal feet palpable through the cervix. The estimated weight of the fetus is about 6 lb, and the fetal heart rate tracing is reactive. Which of the following is the best method to achieve delivery?

Explanation

Performing an emergent cesarean section is the best method to achieve delivery in this case. The patient is at term (41 weeks) with ruptured membranes and regular painful contractions, indicating active labor. The cervix is already dilated to 3 cm and completely effaced, with fetal feet palpable through the cervix. These findings suggest a footling breech presentation, which is a contraindication for vaginal delivery due to the increased risk of cord prolapse and compression. Therefore, an emergent cesarean section is the safest option to ensure a successful delivery and minimize the risk to both the mother and the fetus.

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20. A 25-year-old G1 at 37 weeks presents to labor and delivery with gross rupture of membranes. The fluid is noted to be clear and the patient is noted to have regular painful contractions every 2 to 3 minutes lasting for 60 seconds each. The fetal heart rate tracing is reactive. On cervical examination she is noted to be 4 cm dilated, 90% effaced with the presenting part a −3 station. The presenting part is soft and felt to be the fetal buttock. A quick bedside ultrasound reveals a breech presentation with both hips flexed and knees extended. What type of breech presentation is described?

Explanation

The given scenario describes a breech presentation with both hips flexed and knees extended. This is characteristic of a Frank breech presentation, which is the most common type of breech presentation. In a Frank breech, the baby's buttocks are the presenting part, with the legs extended up towards the head. This presentation is associated with a higher risk of complications during delivery compared to other types of breech presentations.

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21. Expulsion of all fetal and placental tissue from the uterine cavity at 10 weeks gestation. Match above description with the correct type of abortion.

Explanation

A complete abortion refers to the expulsion of all fetal and placental tissue from the uterine cavity. In this case, the description states that all fetal and placental tissue is expelled at 10 weeks gestation, which aligns with the definition of a complete abortion.

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22. A 38-year-old G3P3 begins to breast-feed her 5-day-old infant. The baby latches on appropriately and begins to suckle. In the mother, which of the following is a response to suckling?

Explanation

When a mother begins to breast-feed her infant, suckling stimulates the release of hypothalamic prolactin. Prolactin is responsible for milk production and secretion in the mammary glands. Therefore, an increase in hypothalamic prolactin is a normal response to suckling and is necessary for the mother to produce and supply milk for her baby.

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23. You diagnose a 21-year-old woman at 12 weeks gestation with gonorrhea cervicitis. Which of the following is the most appropriate treatment for her infection?

Explanation

Ceftriaxone is the most appropriate treatment for gonorrhea cervicitis in a 21-year-old woman at 12 weeks gestation. Ceftriaxone is a third-generation cephalosporin antibiotic that is effective against Neisseria gonorrhoeae, the bacterium that causes gonorrhea. It is considered the treatment of choice for uncomplicated gonorrhea infections due to its high efficacy and low risk of resistance. Additionally, it is safe to use during pregnancy, making it an appropriate choice for this patient. Doxycycline, chloramphenicol, tetracycline, and minocycline are not recommended for the treatment of gonorrhea cervicitis.

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24. A 32-year-old G3P2 at 39 weeks gestation presented to the hospital with ruptured membranes and 4 cm dilated. She has a history of two prior vaginal deliveries, with her largest child weighing 3800 g at birth. Over the next 2 hours she progresses to 7 cm dilated. Two hours later, she remains 7 cm dilated. The estimated fetal weight by ultrasound is 3200 g. Which of the following labor abnormalities best describes this patient?

Explanation

This patient is experiencing a secondary arrest of dilation. This is indicated by the fact that she progressed from 4 cm to 7 cm in 2 hours, but then did not progress any further despite an additional 2 hours passing. This is considered a secondary arrest because there was initial progress in dilation, but it then stopped. The estimated fetal weight being lower than her largest previous child's weight suggests that fetal size is not the cause of the arrest.

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25. A 25-year-old G1P1 comes to see you 6 weeks after an uncompli- cated vaginal delivery for a routine postpartum examination. She denies any problems and has been breast-feeding her newborn without any diffi- culties since leaving the hospital. During the bimanual examination, you note that her uterus is irregular, firm, nontender, and about a 15-week size. Which of the following is the most likely etiology for this enlarged uterus?

Explanation

The most likely explanation for the enlarged uterus in this patient is a fibroid uterus. Fibroids are benign tumors that can cause uterine enlargement. The patient's symptoms and physical examination findings are consistent with this diagnosis. Subinvolution of the uterus, which is the failure of the uterus to return to its normal size after delivery, would typically present with a boggy, tender uterus. The uterus is not expected to be at a 15-week size 6 weeks postpartum, so option B is incorrect. Adenomyosis, which is the presence of endometrial tissue within the muscular wall of the uterus, would typically present with dysmenorrhea and an enlarged, boggy uterus. Endometritis, which is inflammation of the endometrium, would typically present with fever and uterine tenderness.

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26. Following a vaginal delivery, a woman develops a fever, lower abdom- inal pain, and uterine tenderness. She is alert, and her blood pressure and urine output are good. Large gram-positive rods suggestive of clostridia are seen in a smear of the cervix. Which of the following is most closely tied to a decision to proceed with hysterectomy?

Explanation

Following a vaginal delivery, the presence of large gram-positive rods suggestive of clostridia in a smear of the cervix indicates a potential infection with gas gangrene. Gas gangrene is a serious and life-threatening condition caused by Clostridium bacteria, which can rapidly spread and cause tissue destruction. Given the symptoms of fever, lower abdominal pain, and uterine tenderness, along with the presence of gas gangrene, the most appropriate course of action would be to proceed with a hysterectomy to remove the infected uterus and prevent further complications. Close observation for renal failure or hemolysis, immediate radiographic examination for hydrosalpinx, high-dose antibiotic therapy, and fever alone would not address the underlying infection and its potential complications.

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27. A 30-year-old G3P3 is postoperative day 4 after a repeat cesarean delivery. During the surgery she received 2 units of packed red blood cells for a hemorrhage related to uterine atony. She is to be discharged home today. She complains of some yellowish drainage from her incision and redness that just started earlier in the day. She states that she feels feverish. She is breast-feeding. Her past medical history is significant for type 2 dia- betes mellitus and chronic hypertension. She weighs 110 kg. Her vital signs are temperature 37.8°C (100.1°F), pulse 69 beats per minute, respi- ratory rate 18 breaths per minute, and blood pressure is 143/92 mm Hg. Breast, lung, and cardiac examinations are normal. Her midline vertical skin incision is erythematous and has a foul-smelling purulent discharge from the lower segment of the wound. It is tender to touch. The uterine fundus is not tender. Which of the following is not a risk factor for her condition?

Explanation

The patient is presenting with signs and symptoms of a wound infection, including erythema, purulent discharge, tenderness, and fever. Risk factors for wound infection include diabetes, corticosteroid therapy, anemia, and obesity. However, preoperative antibiotic administration is not a risk factor for wound infection. In fact, it is a preventive measure that is commonly done to reduce the risk of surgical site infections. Therefore, the correct answer is C. Preoperative antibiotic administration.

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28. You are following up on the results of routine testing of a 68-year-old G4P3 for her well-woman examination. Her physical examination was nor- mal for a postmenopausal woman. Her Pap smear revealed parabasal cells, her mammogram was normal, lipid profile was normal, and the urinalysis shows hematuria. Which of the following is the most appropriate next step in the management of this patient?

Explanation

The patient's urinalysis shows hematuria, which indicates the presence of blood in the urine. The most appropriate next step in the management of this patient would be to perform a urine culture. This will help identify any potential infection that may be causing the hematuria. It is important to rule out urinary tract infection as a possible cause before considering other options.

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29. A 74-year-old woman presents to your office for well-woman exam- ination. Her last Pap smear and mammogram were 3 years ago. She has hypertension, high cholesterol, and osteoarthritis. She stopped smoking 15 years ago, and denies alcohol use. Based on this patient's history which of the following medical conditions should be this patient's biggest concern?

Explanation

Based on the patient's history, her biggest concern should be heart disease. This is because she has hypertension, high cholesterol, and a history of smoking. These risk factors increase her chances of developing heart disease, which is a leading cause of morbidity and mortality in older adults. The other options, such as Alzheimer's disease, breast cancer, cerebrovascular disease, and lung cancer, may also be concerns but are not as directly related to her specific risk factors.

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30. A married 41-year-old G5P3114 presents to your office for a routine examination. She reports being healthy except for a history of migraine headaches. All her Pap smears have been normal. She developed gestational diabetes in her last pregnancy. She drinks alcohol socially, and admits to smoking occasionally. Her grandmother was diagnosed with ovarian cancer when she was in her fifties. Her blood pressure is 140/90 mm Hg; height is 5 ft 5 in; weight is 150 lb. Which of the following is the most common cause of death in women of this patient's age?

Explanation

The most common cause of death in women of this patient's age is cancer. This patient has multiple risk factors for cancer, including a family history of ovarian cancer and a history of gestational diabetes. Additionally, her age and gender put her at higher risk for certain types of cancer, such as breast and ovarian cancer. The other options, HIV, cardiac disease, accidents, and suicide, are less likely to be the most common cause of death in this patient's age group.

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31. Healthy 34-year-old G1P0 patient comes to see you in your office for a routine OB visit at 12 weeks gestational age. She tells you that she has stopped taking her prenatal vitamins with iron supplements because they make her sick and she has trouble remembering to take a pill every day. A review of her prenatal labs reveals that her hematocrit is 39%. Which of the following statements is the best way to counsel this patient?

Explanation

The correct answer is D because iron supplements are recommended during pregnancy to meet the increased demands of the growing fetus and placenta. Iron is essential for the production of red blood cells and to prevent iron deficiency anemia, which can have negative effects on both the mother and the baby. Even though the patient's hematocrit is within normal range, it is important for her to continue taking iron supplements to ensure an adequate supply of iron throughout her pregnancy.

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32. A pregnant patient of yours goes to the emergency room at 20 weeks gestational age with complaints of hematuria and back pain. The emer- gency room physician orders an intravenous pyelogram (IVP) as part of a workup for a possible kidney stone. The radiologist indicates the absence of nephrolithiasis but reports the presence of bilateral hydronephrosis and hydroureter, which is greater on the right side than on the left. Which of the following statements is true regarding this IVP finding?

Explanation

The presence of bilateral hydronephrosis and hydroureter, which is greater on the right side than on the left, is a common finding in pregnant patients and is considered normal during pregnancy. It is caused by the compression of the ureters by the growing uterus. This finding does not indicate any abnormalities or complications and does not require further intervention or monitoring. Therefore, the correct answer is B. These findings are consistent with normal pregnancy and are not of concern.

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33. You are counseling a new mother and father on the risks and benefits of circumcision for their 1-day-old son. The parents ask if you will use analgesia during the circumcision. What do you tell them regarding the recommendations for administering pain medicine for circumcisions?

Explanation

The correct answer is D. Analgesia in the form of a penile block is recommended. This option is the most appropriate because it acknowledges the need for pain relief during circumcision and suggests the use of a penile block, which is a common method of providing local anesthesia to reduce pain and discomfort. It is important to address the parents' concerns about pain management for their newborn son, and recommending a penile block aligns with current medical guidelines for circumcision procedures.

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34. A 33-year-old G2P1 is undergoing an elective repeat cesarean section at term. The infant is delivered without any difficulties, but the placenta cannot be removed easily because a clear plane between the placenta and uterine wall cannot be identified. The placenta is removed in pieces. This is followed by uterine atony and hemorrhage. Match the descriptions with the appropriate placenta type.

Explanation

In this scenario, the difficulty in removing the placenta and the subsequent uterine atony and hemorrhage suggest the presence of placenta accreta. Placenta accreta is a condition where the placenta attaches too deeply into the uterine wall, making it difficult to separate during delivery. This can lead to complications such as retained placenta and postpartum hemorrhage. The description provided matches the characteristics of placenta accreta, making it the correct answer.

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35. You are asked to assist in the well-born nursery with neonatal care. Which of the following is a part of routine care in a healthy infant?

Explanation

Routine care for a healthy infant includes the administration of hepatitis B vaccination for routine immunization. This vaccination is recommended for all infants to protect against hepatitis B virus infection. It is typically given within the first 24 hours after birth. The other options listed are not part of routine care for a healthy infant. Administration of ceftriaxone cream to the eyes is done to prevent eye infections caused by gonorrhea and chlamydia in newborns born to mothers with these infections. Administration of vitamin A is not a routine practice for healthy infants, and a cool-water bath to remove vernix is not necessary as vernix is a protective substance on the baby's skin. Placement of a computer chip for identification purposes is not a routine practice in neonatal care.

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36. On pelvic examination of a patient in labor at 34 weeks, the patient is noted to be 6 cm dilated, completely effaced with the fetal nose and mouth palpable. The chin is pointing toward the maternal left hip. This is an example of which of the following?

Explanation

In a mentum transverse position, the chin of the baby is pointing towards the maternal left or right hip. This is different from a vertex presentation where the baby's head is fully flexed and the occiput is presenting. In a transverse lie, the baby is lying horizontally across the uterus. In a brow presentation, the baby's head is partially extended. Therefore, the given scenario describes a mentum transverse position.

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37. A 28-year-old G1P0 presents to your office at 18 weeks gestational age for an unscheduled visit secondary to right-sided groin pain. She describes the pain as sharp and occurring with movement and exercise. She denies any change in urinary or bowel habits. She also denies any fever or chills. The application of a heating pad helps alleviate the discomfort. As her obstetrician, what should you tell this patient is the most likely etiology of this pain?

Explanation

The most likely etiology of the patient's pain is round ligament pain. Round ligament pain is a common cause of groin pain in pregnant women. It is caused by stretching and pulling of the round ligaments that support the uterus. The pain is typically sharp and occurs with movement and exercise. The absence of other symptoms such as fever, change in urinary or bowel habits, and the relief of pain with a heating pad further supports this diagnosis. Appendicitis, preterm labor, kidney stone, and urinary tract infection are less likely causes of the patient's symptoms based on the information provided.

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38. A 30-year-old G2P1001 patient comes to see you in the office at 37 weeks gestational age for her routine OB visit. Her first pregnancy resulted in a vagi- nal delivery of a 9-lb 8-oz baby boy after 30 minutes of pushing. On doing Leopold maneuvers during this office visit, you determine that the fetus is breech. Vaginal examination demonstrates that the cervix is 50% effaced and 1 to 2 cm dilated. The presenting breech is high out of the pelvis. The esti- mated fetal weight is about 7 lb. The patient denies having any contractions. You send the patient for a sonogram, which confirms a fetus with a double footling breech presentation. There is a normal amount of amniotic fluid present and the head is hyperextended in the "stargazer" position. Which of the following is the best next step in the management of this patient?

Explanation

The best next step in the management of this patient is to schedule an external cephalic version in the next few days. An external cephalic version is a procedure in which the healthcare provider attempts to manually turn the fetus from a breech position to a head-down position. In this case, since the patient is at 37 weeks gestational age and the fetus is in a double footling breech presentation, an external cephalic version can be attempted to try and reposition the fetus. This is a safe and effective method to increase the chance of a successful vaginal delivery.

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39. A 36-year-old G0 who has been epileptic for many years is contem- plating pregnancy. She wants to go off her phenytoin because she is con- cerned about the adverse effects that this medication may have on her unborn fetus. She has not had a seizure in the past 5 years. Which of the following is the most appropriate statement to make to the patient?

Explanation

The correct answer is A because it addresses the patient's concern about the adverse effects of phenytoin on her unborn fetus. It explains that even without anticonvulsant medications, babies born to epileptic mothers have an increased risk of structural anomalies. This statement acknowledges the patient's worries and provides accurate information about the risks associated with epilepsy and pregnancy.

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40. An 18-year-old G2P1001 with the first day of her last menstrual period of May 7 presents for her first OB visit at 10 weeks. What is this patient's estimated date of delivery?

Explanation

The estimated date of delivery (EDD) is calculated by adding 280 days (40 weeks) to the first day of the last menstrual period (LMP). In this case, the LMP is May 7. Adding 280 days to May 7 brings us to February 12. However, since the patient is presenting for her first OB visit at 10 weeks, we subtract 14 days from the EDD. Therefore, the estimated date of delivery is February 14 of the next year.

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41. A 26-year-old G1 at 37 weeks presents to the hospital in active labor. She has no medical problems and has a normal prenatal course except for fetal growth restriction. She undergoes an uncomplicated vaginal delivery of a female infant weighing 1950 g. The infant is at risk for which of the following complications?

Explanation

The infant is at risk for hypoxia because fetal growth restriction can lead to decreased oxygen supply to the fetus. This can result in inadequate oxygenation during labor and delivery, increasing the risk of hypoxia for the newborn.

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42. A 39-year-old G1P0 at 39 weeks gestational age is sent to labor and delivery from her obstetrician's office because of a blood pressure reading of 150/100 mm Hg obtained during a routine OB visit. Her baseline blood pressures during the pregnancy were 100 to 120/60 to 70. On arrival to labor and delivery, the patient denies any headache, visual changes, nausea, vomiting, or abdominal pain. The heart rate strip is reactive and the toco- dynamometer indicates irregular uterine contractions. The patient's cervix is 3 cm dilated. Her repeat blood pressure is 160/90 mm Hg. Hematocrit is 34.0, platelets are 160,000, SGOT is 22, SGPT is 15, and urinalysis is neg- ative for protein. Which of the following is the most likely diagnosis?

Explanation

The patient's blood pressure reading of 150/100 mm Hg during a routine OB visit, along with the absence of other symptoms such as headache, visual changes, nausea, vomiting, or abdominal pain, suggests gestational hypertension. This diagnosis is further supported by the patient's baseline blood pressures during pregnancy being within normal range and the absence of proteinuria on urinalysis. Chronic hypertension and chronic hypertension with superimposed preeclampsia would be unlikely as the patient's blood pressure readings were normal during pregnancy. Preeclampsia and eclampsia are also unlikely as the patient does not exhibit the characteristic symptoms associated with these conditions.

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43. A new patient presents to your office for her first prenatal visit. By her last menstrual period she is 11 weeks pregnant. This is the first pregnancy for this 36-year-old woman. She has no medical problems. At this visit you observe that her uterus is palpable midway between the pubic symphysis and the umbilicus. No fetal heart tones are audible with the Doppler stethoscope. Which of the following is the best next step in the manage- ment of this patient?

Explanation

The best next step in the management of this patient is to schedule an ultrasound as soon as possible to determine the gestational age and viability of the fetus. This is because the patient is 11 weeks pregnant and her uterus is palpable midway between the pubic symphysis and the umbilicus, which is not consistent with the expected uterine size for this gestational age. Additionally, no fetal heart tones are audible with the Doppler stethoscope, which raises concerns about the viability of the fetus. Therefore, an ultrasound is necessary to assess the gestational age and determine if there are any abnormalities or complications.

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44. A 16-year-old primigravida presents to your office at 35 weeks gesta- tion. Her blood pressure is 170/110 mm Hg and she has 4+ proteinuria on a clean catch specimen of urine. She has significant swelling of her face and extremities. She denies having contractions. Her cervix is closed and unef- faced. The baby is breech by bedside ultrasonography. She says the baby's movements have decreased in the past 24 hours. Which of the following is the best next step in the management of this patient?

Explanation

The patient in this scenario is presenting with severe preeclampsia, which is characterized by hypertension, proteinuria, and edema. Additionally, the decreased fetal movements may indicate fetal distress. In this case, the best next step in management would be to admit the patient to the hospital for cesarean delivery. This is because severe preeclampsia poses a significant risk to both the mother and the baby, and delivery is the only definitive treatment for this condition. Cesarean delivery is chosen in this case due to the breech presentation of the baby.

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45. A 32-year-old G2P1 at 28 weeks gestation presents to labor and delivery with the complaint of vaginal bleeding. Her vital signs are: blood pressure 115/67 mm Hg, pulse 87 beats per minute, temperature 37.0°C, respiratory rate 18 breaths per minute. She denies any contraction and states that the baby is moving normally. On ultrasound the placenta is anteriorly located and completely covers the internal cervical os. Which of the following would most increase her risk for hysterectomy?

Explanation

Placenta accreta is a condition where the placenta attaches too deeply into the uterine wall, increasing the risk of severe bleeding during delivery. In this case, the patient has an anteriorly located placenta that completely covers the internal cervical os, which is a risk factor for placenta accreta. Placenta accreta can lead to significant bleeding during delivery, which may necessitate a hysterectomy to control the bleeding and prevent further complications. The other options, such as desire for sterilization, disseminated intravascular coagulopathy (DIC), prior vaginal delivery, and smoking, are not directly associated with an increased risk of hysterectomy in this scenario.

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46. A 20-year-old G1 at 36 weeks is being monitored for preeclampsia; she rings the bell for the nurse because she is developing a headache and feels funny. As you and the nurse enter the room, you witness the patient undergoing a tonic-clonic seizure. You secure the patient's airway, and within a few minutes the seizure is over. The patient's blood pressure monitor indicates a pressure of 160/110 mm Hg. Which of the following medications is recommended for the prevention of a recurrent eclamptic seizure?

Explanation

Magnesium sulfate is recommended for the prevention of recurrent eclamptic seizures in this patient. Eclampsia is a severe complication of preeclampsia characterized by the onset of seizures. Magnesium sulfate is the treatment of choice for preventing and treating eclamptic seizures. It works by acting as a central nervous system depressant and inhibiting neuromuscular transmission. It also has vasodilatory effects, which can help lower blood pressure. Hydralazine, labetalol, nifedipine, and pitocin are not indicated for the prevention of eclamptic seizures.

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47. A 22-year-old G1 at 14 weeks gestation presents to your office with a history of recent exposure to her 3-year-old nephew who had a rubella viral infection. In which time period does maternal infection with rubella virus carry the greatest risk for congenital rubella syndrome in the fetus?

Explanation

Maternal infection with rubella virus during the first trimester carries the greatest risk for congenital rubella syndrome in the fetus. This is because organogenesis, the formation of organs and major structures, occurs during this time period. Rubella virus can cause significant damage to the developing fetus, leading to a variety of birth defects including hearing loss, heart abnormalities, and vision problems. Therefore, it is crucial for pregnant women to be vaccinated against rubella and to avoid contact with individuals who have active rubella infections, especially during the first trimester.

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48. A 22-year-old G1P1 who is postpartum day 2 and is bottle-feeding complains that her breasts are very engorged and tender. She wants you to give her something to make the engorgement go away. Which of the following is recommended to relieve her symptoms?

Explanation

A breast binder is recommended to relieve the symptoms of engorgement in a postpartum woman who is bottle-feeding. A breast binder helps to provide support and compression to the breasts, which can help reduce engorgement and provide relief. This can be especially helpful for women who are not breastfeeding and need to suppress milk production. Bromocriptine is a medication used to suppress lactation but is not recommended as a first-line treatment for engorgement. Estrogen-containing contraceptive pills can increase the risk of blood clots and are not typically used for engorgement. Pumping breasts can help relieve engorgement, but may also stimulate more milk production. Oral antibiotics are not indicated for engorgement unless there is an underlying infection.

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49. Appears to lengthen the second stage of labor. Match above description with the most appropriate type of obstetric anesthesia.

Explanation

A spinal block is the most appropriate type of obstetric anesthesia in this scenario because it appears to lengthen the second stage of labor. A spinal block is a type of regional anesthesia that is administered into the spinal fluid, numbing the lower half of the body. This can help to alleviate pain and discomfort during labor, but it may also affect the progress of labor by reducing the ability to push effectively, thus potentially lengthening the second stage.

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50. A 20-year-old female presents to your office for routine well-woman examination. She has a history of acne, for which she takes minocycline and isotretinoin on a daily basis. She also has a history of epilepsy that is well controlled on valproic acid. She also takes a combined oral contracep- tive birth control pill containing norethindrone acetate and ethinyl estra- diol. She is a nonsmoker but drinks alcohol on a daily basis. She is concerned about the effectiveness of her birth control pill, given all the medications that she takes. She is particularly worried about the effects of her medications on a developing fetus in the event of an unintended preg- nancy. Which of the following drugs has the lowest potential to cause birth defects?

Explanation

Progesterone is a hormone that is naturally produced in the body and is essential for maintaining pregnancy. It is commonly used in birth control pills to prevent pregnancy. Unlike the other options, progesterone does not have a known association with causing birth defects. However, it is important to note that no medication is completely risk-free during pregnancy, and it is always recommended to consult with a healthcare provider for personalized advice.

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51. A 36-year-old G1P1 comes to see you for a routine postpartum exam- ination 6 weeks after an uncomplicated vaginal delivery. She is currently nursing her baby without any major problems and wants to continue to do so for at least 9 months. She is ready to resume sexual activity and wants to know what her options are for birth control. She does not have any medical problems. She is a nonsmoker and is not taking any medications except for her prenatal vitamins. Which of the following methods may decrease her milk supply?

Explanation

Combination oral contraceptives contain estrogen and progestin, which can potentially decrease milk supply in breastfeeding women. Estrogen can inhibit lactation and reduce milk production. Therefore, using combination oral contraceptives may not be the best option for this patient if she wants to continue breastfeeding for at least 9 months. Other methods such as the progestin-only pill, intrauterine device, Depo-Provera, foam, and condoms would be more suitable as they do not contain estrogen and are less likely to affect milk supply.

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52. A 22-year-old G1P0 has just undergone a spontaneous vaginal delivery. As the placenta is being delivered, a red fleshy mass is noted to be protruding out from behind the placenta. Which of the following is the best next step in management of this patient?

Explanation

The red fleshy mass protruding out from behind the placenta is likely an umbilical cord prolapse. This is a medical emergency that requires immediate intervention to prevent fetal compromise. Shoving the placenta back into the uterus (Answer E) is the best next step in management as it helps to relieve pressure on the umbilical cord and allows for proper blood flow to the fetus. This should be followed by immediate delivery of the placenta and expedited delivery of the baby. Calling for immediate assistance from other medical personnel (Answer B) is also important, but addressing the umbilical cord prolapse takes priority. Beginning an intravenous oxytocin infusion (Answer A), continuing to remove the placenta manually (Answer C), or administering magnesium sulfate (Answer D) are not appropriate management strategies for umbilical cord prolapse.

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53. A 17-year-old G1P1 presents to your office for her yearly well- woman examination. She had an uncomplicated vaginal delivery last year. She has been sexually active for the past 4 years and has had six different sexual partners. Her menses occurs every 28 days and lasts for 4 days. She denies any intermenstrual spotting, postcoital bleeding, or vaginal dis- charge. She denies tobacco, alcohol, or illicit drug use. Which of the fol- lowing are appropriate screening tests for this patient?

Explanation

The patient is a sexually active young woman with multiple sexual partners, making her at risk for sexually transmitted infections (STIs). Therefore, it is appropriate to screen her for gonorrhea and chlamydia, which are common STIs. The Pap test is also recommended for cervical cancer screening in women aged 21-65 years, regardless of sexual activity or number of partners. However, the Pap test alone does not screen for STIs, so it is important to also perform gonorrhea and chlamydia cervical cultures to ensure comprehensive screening for both cervical cancer and STIs. Therefore, option B is the correct answer.

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54. A patient presents for her first initial OB visit after performing a home pregnancy test and gives a last menstrual period of about 8 weeks ago. She says she is not entirely sure of her dates, however, because she has a long history of irregular menses. Which of the following is the most accurate way of dating the pregnancy?

Explanation

The most accurate way of dating the pregnancy in this patient with irregular menses is by measuring the crown-rump length on abdominal or vaginal ultrasound. This method allows for the estimation of gestational age based on the size of the fetus. Since the patient is unsure of her dates, using uterine size on pelvic examination may not be reliable. Quantitative serum HCG level and determination of progesterone level along with serum HCG level can indicate pregnancy but do not provide accurate dating information. Quantification of a serum estradiol level is not relevant for dating the pregnancy.

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55. A healthy 31-year-old G3P2002 patient presents to the obstetrician's office at 34 weeks gestational age for a routine return visit. She has had an uneventful pregnancy to date. Her baseline blood pressures were 100 to 110/60 to70, and she has gained a total of 20 lb so far. During the visit, the patient complains of bilateral pedal edema that sometimes causes her feet to ache at the end of the day. Her urine dip indicates trace protein, and her blood pressure in the office is currently 115/75. She denies any other symptoms or complaints. On physical examination, there is pitting edema of both legs without any calf tenderness. Which of the following is the most appropriate response to the patient's concern?

Explanation

The patient in this scenario is a healthy 31-year-old with an uneventful pregnancy. She presents with bilateral pedal edema, trace protein in her urine, and a blood pressure of 115/75. These findings are consistent with normal physiological changes that occur during pregnancy. The absence of calf tenderness and other symptoms suggests that deep vein thrombosis is unlikely. Therefore, the most appropriate response is to reassure the patient that this is a normal finding of pregnancy and no treatment is needed.

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56. A 24-year-old primigravid woman, at term, has been in labor for 16 hours and has been dilated to 9 cm for 3 hours. The fetal vertex is in the right occiput posterior position, at +1 station, and molded. There have been mild late decelerations for the past 30 minutes. Twenty minutes ago, the fetal scalp pH was 7.27; it is now 7.20. For above clinical description, select the most appropriate procedure.

Explanation

Given the clinical description, the most appropriate procedure would be a low transverse cesarean section. This is because the woman has been in labor for a prolonged period, the fetus is in a malposition (right occiput posterior), there have been mild late decelerations for the past 30 minutes, and the fetal scalp pH has decreased. These findings suggest that the fetus may be experiencing distress and a cesarean section would be the safest option for delivery.

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57. Your 25-year-old patient is pregnant at 36 weeks gestation. She has an acute urinary tract infection (UTI). Which of the following medications is contraindicated in the treatment of the UTI in this patient?

Explanation

Trimethoprim/sulfamethoxazole is contraindicated in pregnant women at 36 weeks gestation because it can cause kernicterus in the newborn. Kernicterus is a condition characterized by the accumulation of bilirubin in the brain, leading to neurological damage. Ampicillin, Nitrofurantoin, Cephalexin, and Amoxicillin/clavulanate are all considered safe to use in pregnant women and are commonly used to treat UTIs.

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58. On postoperative day 3 after an uncomplicated repeat cesarean delivery, the patient develops a fever of 38.2°C (100.8°F). She has no com- plaints except for some fullness in her breasts. On examination she appears in no distress; lung and cardiac examinations are normal. Her breast exam- ination reveals full, firm breasts bilaterally slightly tender with no erythema or masses. She is not breast-feeding. The abdomen is soft with firm, non- tender fundus at the umbilicus. The lochia appears normal and is non- odorous. Urinalysis and white blood cell count are normal. Which of the following is a characteristic of the cause of her puerperal fever?

Explanation

The correct answer is E because puerperal fever, also known as postpartum fever, is less severe and less common if lactation is suppressed. This is because breastfeeding can lead to breast engorgement and milk stasis, which can increase the risk of infection. By suppressing lactation, the risk of infection is reduced, resulting in less severe and less common cases of puerperal fever.

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59. A 20-year-old G1P0 presents to your clinic for follow-up for a suc- tion dilation and curettage for an incomplete abortion. She is asymptomatic without any vaginal bleeding, fever, or chills. Her examination is normal. The pathology report reveals trophoblastic proliferation and hydropic degenera- tion with the absence of vasculature; no fetal tissue is identified. A chest x-ray is negative for any evidence of metastatic disease. Which of the following is the best next step in her management?

Explanation

The patient's presentation, along with the pathology report findings and negative chest x-ray, are consistent with a diagnosis of gestational trophoblastic disease (GTD), specifically a complete hydatidiform mole. The best next step in management is to monitor the patient's hCG levels weekly to assess for resolution of the disease. This is because GTD has the potential to develop into persistent or metastatic disease, and monitoring hCG levels allows for early detection and intervention if needed. Hysterectomy, chemotherapy, and radiation therapy are not indicated in this case as the patient is asymptomatic and there is no evidence of metastatic disease.

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60. During a routine return OB visit, an 18-year-old G1P0 patient at 23 weeks gestational age undergoes a urinalysis. The dipstick done by the nurse indicates the presence of trace glucosuria. All other parameters of the urine test are normal. Which of the following is the most likely etiology of the increased sugar detected in the urine?

Explanation

Glucosuria, or the presence of glucose in the urine, is a common finding in pregnant women. During pregnancy, there is an increased demand for glucose by the fetus, which can lead to increased glucose in the maternal blood. Some of this excess glucose may be excreted in the urine, resulting in glucosuria. In the absence of any other abnormal parameters in the urine test and considering the patient's gestational age, it is likely that the glucosuria is a normal finding in pregnancy. Therefore, option C, "The patient's urinalysis is consistent with normal pregnancy," is the most likely explanation for the increased sugar detected in the urine.

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61. A 26-year-old woman presents to your office for her well-woman examination. She denies any medical problems or prior surgeries. She states that her cycles are monthly. She is sexually active and uses oral contracep- tive pills for birth control. Her physical examination is normal. As part of preventive health maintenance, you recommend breast self-examination and instruct the patient how to do it. Which of the following is the best fre- quency and time to perform breast self-examinations?

Explanation

The best frequency and time to perform breast self-examinations is monthly, in the week after cessation of menses. This is because the breasts are less likely to be swollen or tender during this time, making it easier to detect any abnormalities. Additionally, performing the examination consistently on a monthly basis increases the chances of detecting any changes early on.

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62. During routine auditory testing of a 2-day-old baby, the baby failed to respond to high-pitched tones. Match the appropriate scenario with the antibiotic most likely responsible for the clinical findings presented.

Explanation

Streptomycin is an aminoglycoside antibiotic that can cause ototoxicity, which is damage to the inner ear resulting in hearing loss. In this scenario, the 2-day-old baby failed to respond to high-pitched tones, suggesting a potential hearing impairment. Streptomycin is known to be ototoxic and can cause hearing loss, making it the most likely antibiotic responsible for the clinical findings presented.

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63. After delivery of a term infant with Apgar scores of 2 at 1 minute and 7 at 5 minutes, you ask that umbilical cord blood be collected for pH. The umbilical arteries carry which of the following?

Explanation

The umbilical arteries carry deoxygenated blood from the fetus to the placenta. This blood is rich in waste products and carbon dioxide, which are then exchanged for oxygen and nutrients in the placenta. The oxygenated blood is then returned to the fetus through the umbilical vein. In this case, collecting umbilical cord blood for pH would provide information about the acid-base status of the deoxygenated blood that was delivered to the placenta during the delivery.

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64. A 22-year-old G1P0 at 28 weeks gestation by LMP presents to labor and delivery complaining of decreased fetal movement. She has had no pre- natal care. On the fetal monitor there are no contractions. The fetal heart rate is 150 beats per minute and reactive. There are no decelerations in the fetal heart tracing. An ultrasound is performed in the radiology department and shows a 28-week fetus with normal-appearing anatomy and size con- sistent with dates. The placenta is implanted on the posterior uterine wall and its margin is well away from the cervix. A succenturiate lobe of the pla- centa is seen implanted low on the anterior wall of the uterus. Doppler flow studies indicate a blood vessel is traversing the cervix connecting the two lobes. This patient is most at risk for which of the following?

Explanation

The presence of a succenturiate lobe of the placenta implanted low on the anterior wall of the uterus, with a blood vessel traversing the cervix connecting the two lobes, puts the patient at risk for fetal exsanguination after rupture of the membranes. This is because the blood vessel connecting the two lobes can be torn during the rupture of the membranes, leading to significant bleeding and potential fetal exsanguination. The other options (premature rupture of the membranes, torsion of the umbilical cord, amniotic fluid embolism, and placenta accreta) are not directly related to the specific findings in this patient.

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65. Three days ago you delivered a 40-year-old G1P1 by cesarean section following arrest of descent after 2 hours of pushing. Labor was also signif- icant for prolonged rupture of membranes. The patient had an epidural, which was removed the day following delivery. The nurse pages you to come to see the patient on the postpartum floor because she has a fever of 38.8°C (102°F) and is experiencing shaking chills. Her blood pressure is 120/70 mm Hg and her pulse is 120 beats per minute. She has been eating a regular diet without difficulty and had a normal bowel movement this morning. She is attempting to breast-feed, but says her milk has not come in yet. On physical examination, her breasts are mildly engorged and ten- der bilaterally. Her lungs are clear. Her abdomen is tender over the fundus, but no rebound is present. Her incision has some serous drainage at the right apex, but no erythema is noted. Her pelvic examination reveals uterine tenderness but no masses. Which of the following is the most likely diagnosis?

Explanation

The most likely diagnosis in this case is endometritis. Endometritis is an infection of the lining of the uterus, which can occur after a cesarean section. The patient's symptoms of fever, shaking chills, and uterine tenderness are consistent with this diagnosis. The presence of serous drainage at the incision site also suggests an infection. Other options, such as pelvic abscess, septic pelvic thrombophlebitis, wound infection, and atelectasis, do not fully explain the patient's symptoms and findings on physical examination.

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66. A 22-year-old G1P0 presents to your clinic for follow-up of evacuation of a complete hydatidiform mole. She is asymptomatic and her examination is normal. Which of the following would be an indication to start single-agent chemotherapy?

Explanation

A rise in hCG titers would be an indication to start single-agent chemotherapy in this patient. After the evacuation of a complete hydatidiform mole, it is important to monitor hCG levels to assess for persistent or recurrent disease. A rise in hCG titers suggests the presence of persistent or recurrent disease, which may require treatment with chemotherapy. A plateau of hCG titers for 1 week or the return of hCG titer to normal at 6 weeks after evacuation indicates a favorable response to treatment and does not require chemotherapy. The appearance of liver or brain metastasis would also indicate the need for chemotherapy, but the question specifically asks for an indication before the development of metastasis.

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67. You are doing postpartum rounds on a 23-year-old G1P1 who is postpartum day 2 after an uncomplicated vaginal delivery. As you walk in the room, you note that she is crying. She states she can't seem to help it. She denies feeling sad or anxious. She has not been sleeping well because of getting up every 2 to 3 hours to breast-feed her new baby. Her past medical history is unremarkable. Which of the following is the most appropriate treatment recommendation?

Explanation

The most appropriate treatment recommendation for this patient is time and reassurance because her symptoms are likely due to the normal postpartum blues, which are self-limited and typically resolve within a few weeks. She denies feeling sad or anxious, and her symptoms can be attributed to lack of sleep and hormonal changes after delivery. Referral to psychiatry or the use of medications such as antidepressants or Haldol is not necessary in this case. A sleep aid may be considered if her sleep disturbances persist, but it is not the most appropriate initial treatment recommendation. Electroconvulsive therapy is not indicated in this situation.

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68. A 20-year-old G1P1 is postpartum day 2 after an uncomplicated vaginal delivery of a 6-lb 10-oz baby boy. She is trying to decide whether to have you perform a circumcision on her newborn. The boy is in the well- baby nursery and is doing very well. In counseling this patient, you tell her which of the following recommendations from the American Pediatric Association?

Explanation

The correct answer is D. Circumcisions should not be performed routinely because of insufficient data regarding risks and benefits. This recommendation from the American Pediatric Association suggests that there is not enough evidence to support routine circumcision in newborns. It acknowledges that the risks and benefits of the procedure are not well-established, and therefore, it is not recommended as a standard practice. This information is important for the patient to consider when making a decision about circumcision for her newborn.

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69. The shortest distance between the sacral promontory and the symphysis pubis is called which of the following?

Explanation

The correct answer is D. Obstetric (OB) conjugate. The obstetric conjugate is the shortest distance between the sacral promontory and the symphysis pubis. It is an important measurement in obstetrics as it helps determine the adequacy of the pelvis for childbirth. The other options are not correct because they refer to different measurements or diameters in the pelvis.

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70. A patient presents in labor at term. Clinical pelvimetry is performed. She has an oval-shaped pelvis with the anteroposterior diameter at the pelvic inlet greater than the transverse diameter. The baby is occiput posterior. The patient most likely has what kind of pelvis?

Explanation

The patient's pelvis is described as oval-shaped with the anteroposterior diameter at the pelvic inlet greater than the transverse diameter. This is characteristic of an anthropoid pelvis, which is a type of pelvis with a long anteroposterior diameter and a narrow transverse diameter. This type of pelvis is more common in certain populations and may be associated with a higher risk of occiput posterior position of the baby during labor.

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71. You are making rounds on a 29-year-old G1P1 who underwent an uncomplicated vaginal delivery at term on the previous day. The patient is still very confused about whether she wants to breast-feed. She is a very busy lawyer and is planning on going back to work in 4 weeks, and she does not think that she has the time and dedication that breast-feeding requires. She asks you what you think is best for her to do. Which of the following is an accurate statement regarding breast-feeding?

Explanation

Breastfeeding is associated with a decreased incidence of sudden infant death syndrome (SIDS). SIDS is the sudden, unexplained death of an infant under one year of age. Studies have shown that breastfeeding helps reduce the risk of SIDS by providing the baby with important antibodies and nutrients that boost their immune system and protect against infections and respiratory illnesses, which are known risk factors for SIDS. Breast milk also promotes optimal brain development and helps regulate the infant's heart rate, blood pressure, and body temperature, further reducing the risk of SIDS.

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72. A patient comes to your office with her last menstrual period 4 weeks ago. She denies any symptoms such as nausea, fatigue, urinary frequency, or breast tenderness. She thinks that she may be pregnant because she has not had her period yet. She is very anxious to find out because she has a history of a previous ectopic pregnancy and wants to be sure to get early prenatal care. Which of the following actions is most appropriate at this time?

Explanation

The patient has not missed her period yet, so it is too early to determine if she is pregnant or not. Additionally, she denies any symptoms of pregnancy such as nausea, fatigue, urinary frequency, or breast tenderness. Since she is asymptomatic and has not missed her period, it is unlikely that she is pregnant at this time. Therefore, no action is needed and it would be appropriate to reassure the patient that she does not need to be concerned about pregnancy at this point.

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73. A 24-year-old G1P1 presents for her routine postpartum visit 6 weeks after an uncomplicated vaginal delivery. She states that she is having prob- lems sleeping and is feeling depressed over the past 2 to 3 weeks. She reveals that she cries on most days and feels anxious about taking care of her newborn son. She denies any weight loss or gain, but states she doesn't feel like eating or doing any of her normal activities. She denies suicidal or homicidal ideation. Which of the following is true regarding this patient's condition?

Explanation

The correct answer is E. About 8% to 15% of women develop postpartum depression. This is true because postpartum depression is a common condition that affects a significant number of women after giving birth. The patient in the scenario presents with symptoms consistent with postpartum depression, including difficulty sleeping, feeling depressed, crying frequently, and anxiety about caring for her newborn. It is important to recognize and address postpartum depression as it can have significant impacts on the mother's well-being and the bonding with her child.

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74. A 29-year-old G1P0 presents to the obstetrician's office at 41 weeks gestation. On physical examination, her cervix is 1 centimeter dilated, 0% effaced, firm, and posterior in position. The vertex is presenting at –3 station. Which of the following is the best next step in the management of this patient?

Explanation

The best next step in the management of this patient is to order BPP (biophysical profile) testing for the same or next day. This is because the patient is at 41 weeks gestation and her cervix is only 1 centimeter dilated, 0% effaced, firm, and posterior in position. These findings suggest that she is not yet in active labor. BPP testing is a noninvasive assessment that evaluates fetal well-being, including fetal movement, fetal tone, amniotic fluid volume, and fetal heart rate. It is important to assess the well-being of the fetus in this situation to ensure that it is not at risk and to determine the need for further management.

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75. A 34-year-old G2P1 at 31 weeks gestation presents to labor and delivery with complaints of vaginal bleeding earlier in the day that resolved on its own. She denies any leakage of fluid or uterine contractions. She reports good fetal movement. In her last pregnancy, she had a low trans- verse cesarean delivery for breech presentation at term. She denies any medical problems. Her vital signs are normal and electronic external monitoring reveals a reactive fetal heart rate tracing and no uterine contractions. Which of the following is the most appropriate next step in the management of this patient?

Explanation

The most appropriate next step in the management of this patient is to perform an ultrasound examination. This is because the patient is presenting with vaginal bleeding during pregnancy, which could indicate a potential complication. An ultrasound examination can help determine the cause of the bleeding and assess the well-being of the fetus. It is important to rule out any placental abnormalities or other issues that could be causing the bleeding. This will help guide further management and ensure the safety of both the mother and the baby.

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76. A 34-year-old G2P1 at 31 weeks gestation with a known placenta previa presents to the hospital with vaginal bleeding. On assessment, she has normal vital signs and the fetal heart rate tracing is 140 beats per minute with accelerations and no decelerations. No uterine contractions are demonstrated on external tocometer. Heavy vaginal bleeding is noted. Which of the following is the best next step in the management of this patient?

Explanation

The best next step in the management of this patient is to admit and stabilize the patient. This is because the patient is experiencing heavy vaginal bleeding, which is concerning for placenta previa. Admitting the patient allows for close monitoring and immediate access to necessary interventions if the bleeding worsens or if the patient's condition deteriorates. Stabilizing the patient involves ensuring her vital signs remain stable and addressing any potential complications that may arise from the bleeding. This step takes priority over other options such as administering medications or performing a cesarean delivery, as the patient's immediate safety is the primary concern.

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77. A 21-year-old G1 at 40 weeks, who underwent induction of labor for severe preeclampsia, delivered a 3900-g male infant via vaginal delivery after pushing for 21/2 hours. A second-degree midline laceration and side- wall laceration were repaired in the usual fashion under local analgesia. The estimated blood loss was 450 cc. Magnesium sulfate is continued post- partum for the seizure prophylaxis. Six hours after the delivery, the patient has difficulty voiding. Which is the most likely cause of her problem?

Explanation

The most likely cause of the patient's difficulty voiding is a vulvar hematoma. A vulvar hematoma can occur as a result of trauma during delivery, and it can cause swelling and compression of the urethra, leading to difficulty with urination. The patient's symptoms of difficulty voiding are more consistent with a vulvar hematoma rather than preeclampsia, infusion of magnesium sulfate, ureteral injury, or the use of local analgesia for repair. Additionally, the estimated blood loss of 450 cc suggests that a vulvar hematoma is a possible cause of the patient's symptoms.

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78. A 29-year-old G3P2 presents to the emergency center with com- plaints of abdominal discomfort for 2 weeks. Her vital signs are: blood pressure 120/70 mm Hg, pulse 90 beats per minute, temperature 36.94°C, respiratory rate 18 breaths per minute. A pregnancy test is positive and an ultrasound of the abdomen and pelvis reveals a viable 16-week gestation located behind a normal-appearing 10 m 6 m 5.5 cm uterus. Both ovaries appear normal. No free fluid is noted. Which of the following is the most likely cause of these findings?

Explanation

The most likely cause of the findings described in the question is a tubal abortion. This is indicated by the patient's positive pregnancy test, the presence of a viable 16-week gestation, and the ultrasound findings of a normal-appearing uterus with no free fluid. A tubal abortion occurs when a pregnancy implants in the fallopian tube and subsequently aborts. This can cause abdominal discomfort and may present with similar symptoms to a normal intrauterine pregnancy.

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79. A patient at 17 weeks gestation is diagnosed as having an intrauter- ine fetal demise. She returns to your office 5 weeks later and her vital signs are: blood pressure 110/72 mm Hg, pulse 93 beats per minute, tempera- ture 36.38°C, respiratory rate 16 breaths per minute. She has not had a miscarriage, although she has had some occasional spotting. Her cervix is closed on examination. This patient is at increased risk for which of the following?

Explanation

This patient is at increased risk for consumptive coagulopathy with hypofibrinogenemia. Intrauterine fetal demise refers to the death of the fetus inside the uterus, which can lead to the release of tissue thromboplastin and activation of the coagulation cascade. This can result in disseminated intravascular coagulation (DIC), a consumptive coagulopathy characterized by widespread clotting and subsequent depletion of clotting factors, including fibrinogen. The patient's history of occasional spotting suggests that there may be ongoing placental abruption, which further increases the risk of DIC.

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80. A 32-year-old G2P2 develops fever and uterine tenderness 2 days after cesarean delivery for nonreassuring fetal heart tones. She is placed on intravenous penicillin and gentamicin for her infection. After 48 hours of antibiotics she remains febrile, and on examination she continues to have uterine tenderness. Which of the following bacteria is resistant to these antibiotics and is most likely to be responsible for this woman's infection?

Explanation

Bacteroides fragilis is an anaerobic bacteria that is commonly found in the gastrointestinal tract. It is known to be resistant to penicillin and gentamicin, which are the antibiotics that the patient has been receiving. Therefore, it is the most likely bacteria responsible for the patient's infection, as indicated by her persistent fever and uterine tenderness despite antibiotic treatment.

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81. A 20-year-old G1 at 32 weeks presents for her routine obstetric (OB) visit. She has no medical problems. She is noted to have a blood pressure of 150/96 mm Hg, and her urine dip shows 1+ protein. She complains of a constant headache and vision changes that are not relieved with rest or a pain reliever. The patient is sent to the hospital for further management. At the hospital, her blood pressure is 158/98 mm Hg and she is noted to have tonic-clonic seizure. Which of the following is indicated in the manage- ment of this patient?

Explanation

The patient in this scenario is presenting with symptoms of severe preeclampsia, including high blood pressure, proteinuria, headache, and seizures. Antihypertensive therapy is indicated to lower her blood pressure and reduce the risk of complications such as stroke and organ damage. Low-dose aspirin is typically used for prevention of preeclampsia in high-risk patients, but it is not appropriate for managing severe preeclampsia. Dilantin (phenytoin) is an antiepileptic medication and would not address the underlying issue of high blood pressure. Magnesium sulfate is used for seizure prophylaxis and is indicated in this patient to prevent further seizures. Cesarean delivery may be considered in severe cases, but antihypertensive therapy should be initiated first to stabilize the patient.

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82. A 23-year-old G1P0 reports to your office for a routine OB visit at 28 weeks gestational age. Labs drawn at her prenatal visit 2 weeks ago reveal a 1-hour glucose test of 128, hemoglobin of 10.8, and a platelet count of 80,000. All her other labs were within normal limits. During the present visit, the patient has a blood pressure of 120/70 mm Hg. Her urine dip is negative for protein, glucose, and blood. The patient denies any com- plaints. The only medication she is currently taking is a prenatal vitamin. She does report a history of epistaxis on occasion, but no other bleeding. Which of the following medical treatments should you recommend to treat the thrombocytopenia?

Explanation

Based on the given information, the patient is a 23-year-old G1P0 at 28 weeks gestational age with a platelet count of 80,000. However, her blood pressure is normal and urine dip is negative for protein, glucose, and blood. She denies any complaints and her only medication is a prenatal vitamin. Since she does not have any symptoms or signs of bleeding, and her platelet count is the only abnormal lab result, no treatment is necessary at this time.

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83. Uterine bleeding at 12 weeks gestation accompanied by cervical dilation without passage of tissue. Match above description with the correct type of abortion.

Explanation

The given description of uterine bleeding at 12 weeks gestation accompanied by cervical dilation without passage of tissue matches the definition of an inevitable abortion. In an inevitable abortion, the cervix begins to dilate, and there is bleeding, but the pregnancy cannot be saved, and eventually, the fetus and placenta will be expelled from the uterus. This is different from a complete abortion, where all the products of conception are expelled, and an incomplete abortion, where some but not all of the products of conception are expelled. It is also different from a threatened abortion, where there is bleeding but the cervix remains closed, and a missed abortion, where the fetus has died but is not expelled from the uterus.

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84. A 23-year-old G1 at 40 weeks gestation presents to the hospital with the complaint of contractions. She states they are occurring every 4 to 8 minutes and each lasts approximately 1 minute. She reports good fetal movement and denies any leakage of fluid or vaginal bleeding. The nurse places an external tocometer and fetal monitor and reports that the patient is having contractions every 2 to 10 minutes. The nurse states that the con- tractions are mild to palpation. On examination the cervix is 2 cm dilated, 50% effaced, and the vertex is at −1 station. The patient had the same cervical examination in your office last week. The fetal heart rate tracing isn140 beats per minute with accelerations and no decelerations. Which of the following stages of labor is this patient in?

Explanation

This patient is in false labor. False labor, also known as prodromal labor, refers to contractions that are not associated with cervical dilation or effacement. In this case, the patient's cervix is only 2 cm dilated and 50% effaced, which indicates that she is not in active labor (answer choice A). Latent labor (answer choice B) typically occurs when the cervix is between 0-6 cm dilated and is associated with early contractions. Stage 1 of labor (answer choice D) typically involves progressive cervical dilation and effacement. Stage 2 of labor (answer choice E) involves the birth of the baby. Therefore, false labor (answer choice C) is the most appropriate answer in this case.

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85. Passage of some but not all placental tissue through the cervix at 9 weeks gestation. Match above description with the correct type of abortion.

Explanation

An incomplete abortion is the correct type of abortion that matches the given description. In an incomplete abortion, only some of the placental tissue passes through the cervix, while some remains in the uterus. This can result in bleeding and may require medical intervention to remove the remaining tissue.

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86. Fetal death at 15 weeks gestation without expulsion of any fetal or maternal tissue for at least 8 weeks. Match above description with the correct type of abortion.

Explanation

A missed abortion refers to a situation where the fetus dies in utero, but is not expelled from the uterus for at least 8 weeks. This means that the pregnancy is no longer viable, but the body does not recognize the loss and does not initiate the process of expelling the fetal or maternal tissue. This is different from a complete abortion, where all fetal and maternal tissue is expelled, and from an incomplete abortion, where some but not all of the tissue is expelled. In a missed abortion, there is a delay in the recognition and expulsion of the nonviable pregnancy.

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87. You performed a forceps-assisted vaginal delivery on a 20-year-old G1 at 40 weeks for maternal exhaustion. The patient had pushed for 3 hours with an epidural for pain management. A second-degree episiotomy was cut to facilitate delivery. Eight hours after delivery, you are called to see the patient because she is unable to void and complains of severe pain. On examination you note a large fluctuant purple mass inside the vagina. What is the best management for this patient?

Explanation

The presence of a large fluctuant purple mass inside the vagina, along with the patient's inability to void and severe pain, suggests the development of a hematoma. Hematomas can occur as a result of trauma during delivery, such as the forceps-assisted vaginal delivery and episiotomy in this case. The best management for this patient would be to perform an incision and evacuation of the hematoma. This procedure would help relieve the pressure and pain caused by the hematoma and prevent further complications. Applying an ice pack or placing a vaginal pack would not address the underlying issue of the hematoma, and embolizing the internal iliac artery or performing a dilation and curettage are not appropriate interventions for this condition.

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88. You have just delivered an infant weighing 2.5 kg (5.5 lb) at 39 weeks gestation. Because the uterus still feels large, you do a vaginal examination. A second set of membranes is bulging through a fully dilated cervix, and you feel a small part presenting in the sac. A fetal heart is auscultated at 60 beats per minute. For above clinical description, select the most appropriate procedure.

Explanation

Internal version is the most appropriate procedure in this case. Internal version is a procedure in which the provider reaches into the uterus and manually turns the fetus to a more favorable position for delivery. In this case, the presence of a second set of membranes bulging through a fully dilated cervix suggests that the baby is in a breech presentation, which is a less favorable position for delivery. Therefore, performing an internal version would be the most appropriate procedure to attempt to turn the baby into a head-down position.

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89. A 30-year-old G2P0 at 39 weeks is admitted in active labor with spontaneous rupture of membranes occurring 2 hours prior to admission. The patient noted clear fluid at the time. On examination, her cervix is 4 cm dilated and completely effaced. The fetal head is at 0 station and the fetal heart rate tracing is reactive. Two hours later on repeat examination her cervix is 5 cm dilated and the fetal head is at +1 station. Early decelerations are noted on the fetal heart rate tracing. Which of the following is the best next step in her labor management?

Explanation

The best next step in the management of this patient's labor is to initiate Pitocin augmentation. Pitocin, a synthetic form of oxytocin, is commonly used to augment or stimulate contractions in order to progress labor. In this case, the patient is at term with ruptured membranes and has made some cervical progress, but her labor is not advancing adequately. The presence of early decelerations on the fetal heart rate tracing suggests that the fetal head is compressing the umbilical cord during contractions, which may be due to inadequate uterine contractions. Therefore, initiating Pitocin augmentation can help to strengthen the contractions and promote cervical dilation and descent of the fetal head, ultimately facilitating a vaginal delivery.

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90. A nulliparous woman is in active labor (cervical dilation 5 cm with complete effacement, vertex at 0 station); the labor curve shows pro- tracted progression without descent following the administration of an epidural block. An IUPC shows contractions every 4 to 5 minutes, peaking at 40 mm Hg. Select the most appropriate treatment for above clinical situation.

Explanation

In this clinical situation, the woman is in active labor but is experiencing protracted progression without descent following the administration of an epidural block. This suggests that the epidural block may be causing inadequate uterine contractions. Oxytocin is a medication that can be used to stimulate uterine contractions and is the most appropriate treatment option in this case. Meperidine and epidural block are not indicated as they do not address the issue of inadequate contractions. Midforceps delivery and cesarean section are more invasive interventions that are typically reserved for situations where there is a risk to the mother or baby's health.

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91. A 24-year-old primigravida with twins presents for routine ultra- sonography at 20 weeks gestation. Based on the ultrasound findings, the patient is diagnosed with dizygotic twins. Which of the following is true regarding the membranes and placentas of dizygotic twins?

Explanation

Dizygotic twins, also known as fraternal twins, result from the fertilization of two separate eggs by two separate sperm. As a result, they have different genetic material and are not identical. Dizygotic twins are typically dichorionic and diamniotic, meaning they have two separate chorions (outer fetal membranes) and two separate amniotic sacs. This is true regardless of the sex of the twins. Monochorionic and monoamniotic twins are typically seen in identical twins, where a single fertilized egg splits into two embryos. Conjoined twins may also be monochorionic and monoamniotic, but this is not the case for dizygotic twins.

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92. Uterine bleeding at 7 weeks gestation without any cervical dilation. Match above description with the correct type of abortion.

Explanation

A threatened abortion refers to vaginal bleeding during the first half of pregnancy, without any cervical dilation or tissue passing from the uterus. In this case, the description states that there is uterine bleeding at 7 weeks gestation without cervical dilation, which aligns with the characteristics of a threatened abortion. This means that there is a possibility of the pregnancy continuing, but there is also a risk of miscarriage.

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93. A 32-year-old G5P1 presents for her first prenatal visit. A complete obstetrical, gynecological, and medical history and physical examination is done. Which of the following would be an indication for elective cerclage placement?

Explanation

An indication for elective cerclage placement is when a woman has experienced three second-trimester pregnancy losses without evidence of labor or abruption. This suggests a potential issue with cervical insufficiency, where the cervix is unable to support the growing fetus and may lead to premature birth. Cerclage placement involves stitching the cervix closed to provide additional support and prevent premature labor.

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94. A 23-year-old G1 at 38 weeks gestation presents in active labor at 6 cm dilated with ruptured membranes. On cervical examination the fetal nose, eyes, and lips can be palpated. The fetal heart rate tracing is 140 beats per minute with accelerations and no (oxytocin) decelerations. The patient's pelvis is adequate. Which of the following is the most appropriate management for this patient?

Explanation

Based on the information provided, the patient is in active labor at 6 cm dilated with ruptured membranes. The fetal heart rate tracing shows accelerations and no decelerations, indicating a reassuring fetal status. The patient's pelvis is also adequate. In this scenario, the most appropriate management for the patient would be to allow spontaneous labor with vaginal delivery. This is because the patient is already in active labor and there are no indications for immediate intervention such as fetal distress or cephalopelvic disproportion.

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95. A 20-year-old G1 at 38 weeks gestation presents with regular painful contractions every 3 to 4 minutes lasting 60 seconds. On pelvic examina- tion, she is 3 cm dilated and 90% effaced; an amniotomy is performed and clear fluid is noted. The patient receives epidural analgesia for pain man- agement. The fetal heart rate tracing is reactive. One hour later on repeat examination, her cervix is 5 cm dilated and 100% effaced. Which of the following is the best next step in her management?

Explanation

The patient is a G1 at 38 weeks gestation with regular painful contractions, cervical dilation of 3 cm and 90% effacement. After an hour, her cervix is now 5 cm dilated and 100% effaced. The fetal heart rate tracing is reactive. These findings indicate that the patient is in active labor and her labor is progressing normally. Therefore, no intervention is required at this time.

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96. Your patient had an ultrasound examination today at 39 weeks gestation for size less than dates.The ultrasound showed oligohydramnios with an amniotic fluid index of 1.5 centimeters. The patient's cervix is unfavorable. Which of the following is the best next step in the management of this patient?

Explanation

The patient is at 39 weeks gestation with oligohydramnios and an unfavorable cervix. The best next step in management would be to admit her to the hospital for cervical ripening, followed by induction of labor. Cervical ripening helps to soften and thin the cervix, making it more favorable for labor induction. Induction of labor is necessary in this case to prevent further complications related to oligohydramnios and ensure a safe delivery for both the mother and the baby.

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97. A 27-year-old woman (G3P2) comes to the delivery floor at 37 weeks gestation. She has had no prenatal care. She complains that, on bending down to pick up her 2-year-old child, she experienced sudden, severe back pain that now has persisted for 2 hours. Approximately 30 minutes ago she noted bright red blood coming from her vagina. By the time she arrives at the delivery floor, she is contracting strongly every 3 minutes; the uterus is quite firm even between contractions. By abdominal palpation, the fetus is vertex with the head deeply engaged. Fetal heart rate is 130 beats per minutes. The fundus is 38 cm above the symphysis. Blood for clotting is drawn, and a clot forms in 4 minutes. Clotting studies are sent to the laboratory. Which of the following actions can most likely wait until the patient is stabilized?

Explanation

Administering oxytocin can wait until the patient is stabilized because the patient is already contracting strongly every 3 minutes and the uterus is quite firm even between contractions. Oxytocin is typically used to induce or augment labor, but in this case, the patient is already in active labor. Therefore, stabilizing the maternal circulation, attaching a fetal electronic monitor, inserting an intrauterine pressure catheter, and preparing for a cesarean section are all more urgent actions that should be prioritized.

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98. A 30-year-old class D diabetic is concerned about pregnancy. She can be assured that which of the following risks is the same for her as for the general population?

Explanation

The correct answer is C. Fetal cystic fibrosis. Fetal cystic fibrosis is a genetic condition that is not related to diabetes. Therefore, the risk of fetal cystic fibrosis is the same for the general population as it is for a class D diabetic. Preeclampsia and eclampsia, infection, postpartum hemorrhage, and hydramnios are all potential risks that may be increased in a diabetic pregnancy compared to the general population.

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99. A 24-year-old presents at 30 weeks with a fundal height of 50 cm. Which of the following statements concerning polyhydramnios is true?

Explanation

Polyhydramnios is a condition characterized by excessive amniotic fluid. In this case, the fundal height of 50 cm at 30 weeks suggests polyhydramnios. The correct answer, E, states that complications of polyhydramnios include placental abruption, uterine dysfunction, and postpartum hemorrhage. This is true because the increased volume of amniotic fluid can put pressure on the placenta, leading to its separation from the uterine wall (placental abruption). The excessive fluid can also interfere with uterine contractions (uterine dysfunction) and increase the risk of postpartum bleeding (postpartum hemorrhage).

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100. A 28-year-old G1 at 38 weeks had a normal progression of her labor. She has an epidural and has been pushing for 2 hours. The fetal head is direct occiput anterior at +3 station. The fetal heart rate tracing is 150 beats per minute with variable decelerations. With the patient's last push the fetal heart rate had a prolonged deceleration to the 80s for 3 minutes. You recommend forceps to assist the delivery owing to the nonreassuring fetal heart rate tracing. Compared to the use of the vacuum extractor, forceps are associated with an increased risk of which of the following neonatal complications?

Explanation

Forceps-assisted deliveries are associated with an increased risk of neonatal complications, including corneal abrasions. This is because the forceps can cause pressure and friction on the baby's face and eyes during the delivery process, leading to corneal abrasions. Other complications such as cephalohematoma, retinal hemorrhage, jaundice, and intracranial hemorrhage are not specifically associated with forceps-assisted deliveries.

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