Deck 30: Male Genital and Reproductive Function

Question 1

Secretion of LH and follicle-stimulating hormone (FSH) from the pituitary gland in males normally is suppressed by

A) estrogen.
B) prostate-specific antigen.
C) cortisol.
D) testosterone.

Answer 1

testosterone.

Question 2

In males, pituitary luteinizing hormone (LH)

A) induces Leydig cells in the testes to produce testosterone.
B) induces Sertoli cells to produce sperm.
C) stimulates ejaculation of semen.
D) has no known reproductive function.

Answer 2

induces Leydig cells in the testes to produce testosterone.

Question 3

The male penis is innervated by the _____ nerve.

A) sciatic
B) sacral
C) pudendal
D) caudal

Answer 3

pudendal

Question 4

The activation of sperm after they enter the vagina is called

A) flagellation.
B) ejaculation.
C) emission.
D) capacitation.

Question 5

Erection of the male penis is enhanced by penile smooth muscle relaxation.

Question 6

Leydig cells produce and release sperm from the male testes.

Question 7

An important function of the scrotum is to

A) regulate the temperature of the testes.
B) provide support to the prostate gland.
C) regulate blood supply to the penis.
D) supply antibacterial secretions.

Question 8

More than 200 million sperm are normally stored in the epididymis.

Question 9

Erection of the male penis is regulated by parasympathetic nerves.

Question 10

Sperm take about 1 month to mature and are released into the epididymis once every 30 days.