The ductus deferens
A. stores sperm until ejaculation.
B. travels through the bladder.
C. ascends the abdominal cavity along the posterior side of the kidney.
D. passes through the inguinal canal and enters the pelvic cavity.
E. passes just beneath the skin to the penis.
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Question 2) In males, both urine and male reproductive fluids travel through the
A. ureter.
B. urethra.
C. epididymis.
D. spermatic cord.
E. ductus deferens.
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Question 3) A primary spermatocyte is a diploid cell that gives rise to two secondary spermatocytes after the first meiotic division. The primary spermatocyte has
A. 92 chromosomes.
B. 46 chromosomes.
C. 23 chromosomes.
D. 13 chromosomes.
E. no chromosomes.
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Question 4) Arrange the following structures in the order sperm would pass through them from the seminiferous tubules to the urethra.
(1) ductus deferens (vas deferens)
(2) efferent ductules
(3) epididymis
(4) ejaculatory duct
(5) rete testis
A. 5, 3, 2, 1, 4
B. 3, 2, 4, 1, 5
C. 3, 4, 2, 1, 5
D. 5, 2, 4, 3, 1
E. 5, 2, 3, 1, 4
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Question 5) Smooth muscle contractions help to propel sperm in the
A. rete testis.
B. ductus deferens.
C. seminal receptacle.
D. seminiferous tubule.
E. ejaculatory duct.
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Question 6) The duct from the seminal vesicle joins the ductus deferens to form the
A. prostatic urethra.
B. epididymis.
C. sperm cord.
D. ejaculatory duct.
E. spongy urethra.
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Question 7) What process converts a spermatid to a mature sperm cell?
A. spermatogenesis
B. cryptorchidism
C. gubernaculum
D. spermiogenesis
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Question 8) What structure contains enzymes needed by a sperm to penetrate an oocyte?
A. acrosome
B. gubernaculum
C. sustentacular cells
D. androgen-binding protein
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Question 9) Which portion of the sperm cell is most involved with penetration of the female sex cell?
A. nucleus
B. acrosome
C. midpiece
D. tail
E. centriole
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Question 10) Which of the following structures would be found in the spermatic cord?
A. epididymis
B. ductus deferens
C. seminal vesicle
D. ejaculatory duct
E. interstitial cells
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