Patti's Ob Ppt's Review Part 1

51 Questions | Total Attempts: 17

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Patti

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Questions and Answers
  • 1. 
    APGAR scoring ranks and infant in each of the following areas from 0-2 points EXCEPT:
    • A. 

      Activity (muscle tone)

    • B. 

      Pulse

    • C. 

      Grimace (reflex irritability)

    • D. 

      Appearance (skin color

    • E. 

      Respirations

    • F. 

      Blood pressure

  • 2. 
    The fetus is totally dependent on O2 from the mother.
    • A. 

      True

    • B. 

      False

  • 3. 
    Compared to adult hgb, hemoglobin F has  _____ affinity for oxygen.
    • A. 

      Greater

    • B. 

      Decreased

    • C. 

      The same

  • 4. 
    The fetus can use ketones for energy.
    • A. 

      True

    • B. 

      False

  • 5. 
    The fetal O2 dissociation curve is shifted to the:
    • A. 

      Left

    • B. 

      Right

  • 6. 
    Administering crystalloids to the mother increase fetal extracellular fluid volume.
    • A. 

      True

    • B. 

      False

  • 7. 
    Cytochrome P-450 levels become present at __ weeks which enables the fetus to metabolize some drugs.
    • A. 

      14

    • B. 

      8

    • C. 

      32

    • D. 

      10

  • 8. 
    Extreme fetal hypoxemia is indicated by tachycardia.
    • A. 

      True

    • B. 

      False

  • 9. 
    Fetal hypoxemia is most common during:
    • A. 

      Labor and delivery

    • B. 

      The first trimester

    • C. 

      The third trimester

    • D. 

      Conception

  • 10. 
    During the fetal response to stress, oxygenated blood is directed to the brain and the ____
    • A. 

      Myocardium

    • B. 

      Liver

    • C. 

      Lungs

    • D. 

      Kidneys

  • 11. 
    Fetal descent through the birth canal can cause a Cushing response due to an increased intracranial pressure.
    • A. 

      True

    • B. 

      False

  • 12. 
    The fetus produces and consumes lactate.
    • A. 

      True

    • B. 

      False

  • 13. 
    Fetal O2 consumption is essentially ___ of an adult's per kg.
    • A. 

      Double

    • B. 

      Half

  • 14. 
    When is cardiac output increases the most?
    • A. 

      For 2 weeks following delivery.

    • B. 

      1st trimester

    • C. 

      2nd trimester

    • D. 

      3rd trimester

  • 15. 
    Cardiac output is ___ mL/min to the uterine vasculature.
  • 16. 
    Aortocaval compression causes a decrease in:
    • A. 

      Maternal blood pressure

    • B. 

      Maternal venous return

    • C. 

      Stroke volume

    • D. 

      Cardiac output

  • 17. 
    A maternal systolic BP of less than ___ mmHg for more than 10 minutes will cause fetal acidosis and bradycardia.
  • 18. 
    Aortocaval compression starts at about 30 weeks.
    • A. 

      True

    • B. 

      False

  • 19. 
    Progesterone ___ SVR.
    • A. 

      Decreases

    • B. 

      Increases

  • 20. 
    A normal parturient ABG will show:
    • A. 

      Compensated respiratory alkalosis

    • B. 

      Compensated respiratory acidosis

    • C. 

      Compensated metabolic acidosis

    • D. 

      Compensated metabolic alkalosis

  • 21. 
    In pregnancy, induction and emergence of anesthesia are:
    • A. 

      More rapid

    • B. 

      Slower

  • 22. 
    MAC is decreased with pregnancy.
    • A. 

      True

    • B. 

      False

  • 23. 
    The elevation of this hormone causes: decreased MAC, hyperventilation, increased body temperature, and decrease of smooth muscle tone including: relaxation of GES, decreased gastric emptying, constipation, and a dilated uterus.
    • A. 

      Progesterone

    • B. 

      Estrogen

    • C. 

      Prolactin

    • D. 

      Growth hormone

  • 24. 
    The elevation of this hormone causes N&V in the first trimester, hypercoagultion, increased synthesis of angiotensin and renin, increased CO, blood volume, and total protein, a positive nitrogen balance, and maintains maternal Ca++ levels.
    • A. 

      Estrogen

    • B. 

      Progesterone

    • C. 

      FSH

    • D. 

      Prolactin

  • 25. 
    ______ released from the corpus luteum/placenta causes: pelvic widening in preparation for birth, ligament relaxation, and lumbar lordosis.
  • 26. 
    Intraocular pressure decreases during pregnancy.
    • A. 

      True

    • B. 

      False

  • 27. 
    Drugs that increase SVR will have what effect on uterine blood flow:
    • A. 

      Decrease

    • B. 

      Increase

    • C. 

      No change

  • 28. 
    Which of the following is not one of the 3 layers of the placenta?
    • A. 

      Fetus

    • B. 

      Trophoblast

    • C. 

      Fetal connective tissue

    • D. 

      Endothelium of capillaries

  • 29. 
    The lecithin-sphingomyelin test, tests for fetal lung maturity by analyzing amniotic fluid.  The two are equal until 32-33 weeks at which point _______ increases.  A L/S ratio of 2 indicates mature lungs.
  • 30. 
    Is [your statement here] true or false?
    • A. 

      True

    • B. 

      False

  • 31. 
    Maternal and fetal blood mix at the chorionic villi.
    • A. 

      True

    • B. 

      False

  • 32. 
    The majority of blood supply to the uterus is from 2:
    • A. 

      Uterine arteries

    • B. 

      Ovarian arteries

  • 33. 
    Spiral arteries are terminal branches of the uterine arteries.  They form maternal-placental circulation.  "Spurts" propel blood into intervillous space where they bathe the villi, permitting the exchange of O2, nutrients, and waste. The pressure at the spiral arteries is generally:
    • A. 

      70-80 mmHg

    • B. 

      30-40 mmHg

    • C. 

      100-110 mmHg

    • D. 

      50-60 mmHg

  • 34. 
    The maternal response to vasoconstrictors is reduced.
    • A. 

      True

    • B. 

      False

  • 35. 
    Vasodilators and steroid hormones such as estrogen and progesterone ______ UBF.
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Don't change

  • 36. 
    Which of the following is the principle mode of placental  transfer
    • A. 

      Simple diffusion

    • B. 

      Active transport

    • C. 

      Facilitated diffusion

    • D. 

      Pinocytosis

  • 37. 
    Rho-gam is given to mothers at 28 weeks or within 72 hours of birth, miscarriage, abortion, or amniocentesis to prevent the mother's immune system from attacking fetal blood cells.  It is given to mothers who are:
    • A. 

      Rh (-)

    • B. 

      Rh (+)

  • 38. 
    Drugs that have a low molecular weight (< 500g), are partially not ionized at physiologic pH, have high lipid solubility, and are incompletely protein bound in maternal blood do not cross the placenta easily.
    • A. 

      True

    • B. 

      False

  • 39. 
    Fetal acidosis causes _______ delivery of drugs to the heart and brain.
    • A. 

      Increased

    • B. 

      Decreased