Chapter 30: Male Genital and Reproductive Function

Chapter 30: Male Genital and Reproductive Function

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE
1. 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.
ANS: A
In males, pituitary luteinizing hormone (LH) induces Leydig cells in the testes to produce testosterone. Pituitary luteinizing
hormone does not induce Sertoli cells to produce sperm or stimulate ejaculation of semen. LH has the known reproductive function
of inducing Leydig cells in the testes to produce testosterone.
REF: Pgs. 633-634
2. 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.
ANS: A
An important function of the scrotum is to regulate the temperature of the testes. The prostate gland is just below the bladder. The
pudendal arteries supply blood to the penis. The scrotum does not supply antibacterial secretions.
REF: Pg. 627
3. Production of LH occurs in response to serum levels of
a. estrogen.
b. prostate-specific antigen.
c. cortisol.
d. testosterone.
ANS: D
Production of LH occurs in response to serum levels of testosterone and estradiol. Production of LH does not occur in response to
serum levels of estrogen, prostate-specific antigen, or cortisol.
REF: Pg. 633
4. The male penis is innervated by the ________ nerve.
a. sciatic
b. sacral
c. pudendal
d. caudal
ANS: C
The male penis is innervated by the pudendal nerve. The sciatic, sacral, and caudal nerves do not innervate the penis.
REF: Pg. 637
5. The activation of sperm after they enter the vagina is called
a. flagellation.
b. ejaculation.
c. emission.
d. capacitation.
ANS: D
The activation of sperm after they enter the vagina is called capacitation. The activation of sperm after they enter the vagina is not
called flagellation, ejaculation, or emission.