Block 7 Anat Pelv & Perineum Prt 3
.JPG "Block 7 Anat Pelv & Perineum Prt 3 - Quiz")
The pelvis is charged with allowing movement of the body. It contains the reproductive organs, bladder as well as the rectum. Keep increasing your understanding on block 7 on anatomy of pelvis and perineum by taking the third quiz in the series. All the best as you prepare for the assessment test!
- 1.A pregnant patient seeks your counsel pertaining to anesthesia during delivery. She is particularly interested in a caudal epidural block. You explain that this procedure:
- A.
Eliminates all pain associated with labor and delivery
- B.
Just minimizes the pain sensations that arise from the lower part of the birth canal (cervix and vagina) and the perineum.
- C.
Just minimizes the pain sensations that arise from the body and fundus of the uterus
- D.
Just minimizes the pain associated with fibers traveling in the pudendal nerve.
- E.
Is typically not used for delivery, but rather for an episiotomy.
- 2.Which of the following is incorrect pertaining to the uterine tubes?Which of the following is incorrect pertaining to the uterine tubes?
- A.
They lie in the mesosalpinx part of the broad ligament.
- B.
They allow the development of peritonitis from genitourinary tract infections.
- C.
They may be ligated to prevent pregnancy
- D.
They may become the site of an ectopic pregnancy.
- E.
Their distal part, the ampulla, surrounds the ovary.
- 3.
In the following hysterosalpingogram, the arrows indicate the:- A.
Uterine arteries.
- B.
Uterine tubes.
- C.
Mesovarium.
- D.
Round ligaments.
- E.
Ureters
- 4.The anorectal flexure of the anal canal:
- A.
Occurs at the level of S3.
- B.
Is maintained by the transverse rectal folds
- C.
Is where the alimentary tract penetrates the pelvic diaphragm.
- D.
Is within the rectovesical pouch.
- E.
Is where the omental appendices cease.
- 5.Which of the following is incorrect pertaining to the perineal body?
- A.
Stretching or tearing during parturition is associated with prolapse of pelvic viscera.
- B.
It is an attachment site for the external anal sphincter.
- C.
It is an attachment site for both the superficial and deep transverse perineal muscles
- D.
It lies anterior to the vestibule in females.
- E.
It blends anteriorly with the perineal membrane.
- 6.In the emergency room you examine a young boy whose was injured while trying to climb a fence. He says he hit his "bottom" hard while straddling the horizontal bar at the top of the fence. Your examination reveals that his penis and scrotum are edematous as is the lower part of his anterior abdominal wall. Only the most superior aspects of his thighs are also edematous. You suspect the boy:
- A.
Ruptured his corpus cavernosa and the swelling is due to blood.
- B.
Bruised his penis and scrotum and the swelling is due to lymph.
- C.
Ruptured his spongy urethra and the swelling is due to urine
- D.
Ruptured his internal pudendal vein and the swelling is due to blood.
- E.
Ruptured his deep perineal pouch and the swelling is due to an inflammatory reaction resulting from the release of fluid from the bulbourethral glands.
- 7.
In the following image of a coronal section through the rectum and anal canal, the arrow indicates:
- A.
The pudendal canal.
- B.
The superficial perineal space.
- C.
The deep perineal space
- D.
The ischioanal fossa.
- E.
An ischioanal fistula.
- 8.The superficial and deep perineal pouches are separated superiorly by the:
- A.
Deep transverse perineal muscles
- B.
Superficial transverse perineal muscles
- C.
Perineal membrane
- D.
Deep perineal fascia (investing or Gallaudet fascia).
- E.
Membranous layer of the subcutaneous tissue of the perineum.
- 9.According to current concepts, the external urethral sphincter:
- A.
Is similar in males and females.
- B.
Only exists in females.
- C.
Only exists in males.
- D.
Is innervated by pelvic splanchnic nerves.
- E.
Has an inferior part in males that acts as a true sphincter of the intermediate (membranous) urethra.
- 10.Which of the following is incorrect pertaining to the ischioanal fossa?
- A.
The anococcygeal ligament prevents the spread of infection from one fossa to the other.
- B.
Each fossa is bounded medially by the external anal sphincter.
- C.
Each fossa is traversed by the inferior anal vessels and nerves.
- D.
Tenderness between the anus and ischial tuberosity is a diagnostic sign associated with an ischioanal abscess.
- E.
Loss of the fat within each fossa (occurs with extreme starvation) is associated with rectal prolapse.
- 11.The pectinate line of the anal canal:
- A.
Denotes the separation of the external and internal sphincter ani muscles.
- B.
Denotes the separation between the rectal and anal mucosa.
- C.
Separates the part of the anal canal that is sensitive to laceration from the part that is not.
- D.
Separates the part of the anal canal that is innervated by sympathetic fibers from that innervated by parasympathetic fibers.
- E.
Indicates the anorectal junction.
- 12.Hemorrhoids are:
- A.
Enlarged anal lymph nodes
- B.
Infected anal sinuses
- C.
Varicosities in rectal/anal veins.
- D.
Infected and enlarged anal mucus glands.
- E.
Arteriovenous malformations in the anal mucosa.
- 13.In the following coronal MRI of the penis and scrotum from a normal male, the arrow indicates the:
- A.
Corpus spongiosum
- B.
Corpus cavernosum.
- C.
Pampiniform venous plexus.
- D.
Vas deferens.
- E.
Testis
- 14.In male urethral catheterization:
- A.
The diameter of the urethra at the external urethral orifice is narrower than at any other point.
- B.
The urethra is least protected (most likely to rupture) at the bulb.
- C.
The intermediate (membranous) segment is the most distensible part of the urethra.
- D.
The location of the ducts of the bulbourethral glands must be identified in order to avoid injuring the glands.
- E.
The patient is likely to feel the most discomfort (sharpest pain) when the catheter penetrates the prostatic urethra.
- 15.The blood that results in penile erection is primarily derived from the:
- A.
Posterior scrotal arteries.
- B.
Deep arteries of the penis.
- C.
Deep branches of the external pudendal arteries.
- D.
Deep dorsal vein.
- E.
Superficial dorsal veins.
- 16.Circumcision involves:
- A.
Removal of the glans of the penis.
- B.
Removal of the prepuce of the penis.
- C.
Removal of the corona of the glans of the penis.
- D.
Enlarging the external urethral orifice
- E.
Surgically constructing a new external urethral orifice
- 17.Which of the following is not associated with male erection or ejaculation?
- A.
Closure of the vesical (internal urethral) sphincter.
- B.
Contraction of urethral smooth musculature.
- C.
Contraction of bulbospongiosus.
- D.
Parasympathetic impulses reaching the penis from the prostatic nervous plexus.
- E.
Contraction of the smooth muscle of the helical arteries.
- 18.Which of the following is incorrect pertaining to the female perineum?
- A.
The greater vestibular glands are typically palpable.
- B.
The bulbs of the vestibule are composed of erectile tissue.
- C.
Located immediately within the vaginal orifice, the hymen is a thin fold of mucous membrane that ruptures in young women with physical activity or sexual intercourse.
- D.
The vestibule is the space enclosed by the labia minora.
- E.
The mons pubis is composed of skin covering fatty tissue.
.JPG "In the following image of a coronal section through the rectum and anal canal, the arrow indicates:")
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