Practice Quiz - Male Reproductive Anatomy
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  1. Which of the following would be most likely to be damaged by a stab wound into the ischiorectal (ischioanal) fossa 2 cm lateral to the anal canal?
    Crus of the Penis
    Perineal Body
    Pudendal Nerve
    Inferior Rectal Artery
    Vesicular Bulb
  2. Benign hyperplasia (excessive growth of cells) of which part of the male reproductive system would be most likely to interfere with the passage of urine?
    Periurethral Zone of the Prostate
    Central Zone of the Prostate
    Peripheral Zone of the Prostate
    Ejaculatory Duct
    Seminal Vesicle
  3. After agreeing to have no more children, a man and his wife decided he should have a vasectomy. What structure would then be surgically ligated?
    Ductus deferens
    Ejaculatory duct
    Epididymis
    Fossa navicularis
    Seminal vesicle
  4. Which pair of structures does NOT differentiate from comparable embryonic structures in the male and female?
    Bulb of corpus spongeosum and vestibular bulb
    Shaft of penis and labia majora
    Glans of penis and glans of clitoris
    Crus of corpus cavernosum penis and crus of corpus cavernosum clitoris
  5. Which structure is found only in males?
    Anterior recess of ischoianal fossa
    Genital Hiatus
    Ischiocavernosus muscle
    Rectovesical pouch
    Sphincter urethrae muscle
  6. Which structure is outlined with contrast on a CT using intraperitoneal contrast material?
    Ovary
    Prostate
    Rectum
    Seminal Vesicles
    Vagina
  7. The prostate is often imaged using an ultrasound transducer placed in which location?
    Penis
    Perineum
    Rectum
    Urethra
    Urinary Bladder
  8. Which of the following does not conduct spermatozoa?
    Ampulla of the ductus deferens
    Duct of the seminal vesicle
    Epididymis
    Prostatic Urethra
  9. During the course of surgery for benign prostatic hypertrophy (benign enlargement of the prostate tissue which occludes the prostatic urethra) an electrical cutting device is inserted into the penile, then prostatic urethra, to remove the hypertrophic tissue. The posterior wall of the prostatic urethra is by necessity removed as well. Which part of the male seminal tract may also be partially removed?
    duct of seminal vesicle
    ductus deferens
    ejaculatory duct
    fossa navicularis
    seminiferous tubule
  10. The prostate gland:
    Contains upper, middle and lower lobes
    Encircles the urethra
    Is well imaged radiologically using an intravenous urogram
    Is extraperitoneal
    B and D
  11. During a vasectomy, the ductus deferens is ligated in the superior part of the scrotum. Two months following this sterilization procedure, the subsequent ejaculate contains:
    Prostatic fluid only
    Seminal fluid and prostatic fluid
    Sperm only
    Sperm and seminal fluid
    Sperm, seminal fluid, and prostatic fluid
  12. An elderly male patient presents with dysuria and urgency. You suspect benign prostatic hypertrophy which has caused an enlargement of the:
    interureteric crest
    prostatic utricle
    seminal colliculus
    sphincter urethrae
    uvula
  13. An elderly patient is having difficulty in voiding (urinating). He complains that after voiding, he still feels as though he needs "to go" again. You suspect that this patient suffers from benign prostatic hypertrophy, which has caused enlargement of the __________ of the bladder.
    seminal colliculus
    interureteric crest
    ampulla
    trigone
    uvula
  14. The prostate gland:
    encircles the urethra
    is well imaged using an intravenous urogram
    is partially intraperitoneal
    contains upper, middle and lower lobes
  15. Which structure is NOT found within the true pelvis?
    Femoral nerve
    Hypogastric nerve
    Internal pudendal artery
    Obturator artery
    Pelvic splanchnic nerves
  16. A structure which is homologous to the male scrotum:
    Labia minora
    Labia majora
    Glans
    Shaft of corpus cavernosum
  17. The male pelvis tends to differ from the female pelvis in that the male pelvis often has a:
    larger pelvic inlet
    smaller subpubic angle
    straighter sacral curvature
    larger pelvic outlet
    rounder pelvic inlet
  18. The boundaries of the perineum include all the following except:
    Ischiopubic rami
    Ischial tuberosity
    Tip of the coccyx
    Sacrotuberal ligament
    Sacrospinal ligament
  19. The artery which supplies blood to the major erectile body in both the male and female is the:
    Artery of the bulb
    Dorsal artery of the penis/clitoris
    Deep artery of the penis/clitoris
    Posterior labial/scrotal artery
    Superficial external pudendal artery
  20. The vestibular bulbs/bulb of the corpus spongiosum are firmly attached to the:
    Perineal membrane
    Superior pubic rami
    Ischiopubic rami
    Pubic symphysis
    Ischial tuberosities
  21. The part of the male reproductive tract which carries only semen within the prostate gland is the:
    Prostatic urethra
    Membranous urethra
    Seminal vesicle
    Ductus deferens
    Ejaculatory duct
  22. Which of the following developmental processes is least likely to be involved in the differentiation of male external genitalia from the indifferent state?
    Descent of the gonads into the labio-scrotal folds
    Fusion of the urogenital folds
    Elongation of the phallus
    Formation of new erectile bodies
  23. The perineum is bounded by all of the following skeletal elements except:
    coccyx
    ischiopubic ramus
    spine of ischium
    symphysis pubis
  24. A 6 mo. old male was brought to the pediatric clinic by his parents because of leakage of urine from the ventral surface of his penis. This congenital condition, hypospadias, is due to incomplete ventral closure of a component of the penis. Which of the below structures would be partially open for urine to take such a course?
    Shaft of corpus cavernosum
    Membranous urethra
    Glans
    Shaft of corpus spongiosum
  25. During a prostatectomy, the surgeon attempts to protect the prostatic plexus of nerves which contains nerve fibers that innervate penile tissue to cause erection. From which nerves do these fibers originate?
    Deep perineal
    Dorsal nerve of the penis
    Genitofemoral
    Pelvic splanchnics
    Pudendal