14. Testosterone is secreted by: A. Leydig cells B. Interstitial cells 15. Serto

Question

14. Testosterone is secreted by:
A. Leydig cells
B. Interstitial cells

15. Sertoli cells secrete:
A. Inhibin
B. Nitric oxide

16. Duration of spermatogenesis
A. 124 days
B. 64 days

17. Inhibits LH secretion by anterior pituitary
A. Testosterone
B. Inhibin

18. Inhibits FSH secretion by anterior pituitary.
A. Testosterone B. inhibin

19. Enzyme/s found in acrosome responsible for penetration of ovum.
A. Hyaluronidase B. protein enzymes

20. True of semen per ejaculation
A. 3mL with 300M sperms
B. 1.5mL with 150 sperm


21. Absence of sperm in the ejaculate
A. Oligospermia
B. Azoospermia

22. Ejaculation
A. Spinal reflex
B. Sympathetic

23. Erection
A. vascular reflex
B. paraSympathetic

24. hormone responsible for erection
A. nitric oxide
B. norepinephrine

25. spongy cylindrical components of te penis
A. corpus spongiosum
B. corpora cavernosa

Explanation / Answer

14. Testosterone is secreted by:
A. Leydig cells
B. Interstitial cells

15. Sertoli cells secrete:
A. Inhibin

16. Duration of spermatogenesis

B. 64 days

17. Inhibits LH secretion by anterior pituitary

B. Inhibin

18. Inhibits FSH secretion by anterior pituitary.
B. inhibin

19. Enzyme/s found in acrosome responsible for penetration of ovum.
A. Hyaluronidase

20. True of semen per ejaculation
A. 3mL with 300M sperms
B. 1.5mL with 150 sperm


21. Absence of sperm in the ejaculate

B. Azoospermia

22. Ejaculation
A. Spinal reflex
B. Sympathetic

23. Erection
A. vascular reflex
B. paraSympathetic

24. hormone responsible for erection
A. nitric oxide


25. spongy cylindrical components of te penis
A. corpus spongiosum
B. corpora cavernosa

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