Testosterone
a. is secreted by the Leydig cells of the testes.
b. exerts a general protein anabolic effect.
c. causes enlargement of the larynx and thickening of the vocal cords.
d. both (a) and (b) above.
e. all of these answers.
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Question 2) The factor responsible for differentiating the embryonic gonads into testes is
a. the sex-determining region of the X chromosome.
b. the sex-determining region of the Y chromosome.
c. autosomal chromosomes.
d. male gonadal-determining factor.
e. the Sertoli cells.
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Question 3) Phenotypic sex:
a. is based solely on genetic differences
b. is based on anatomical differences
c. is based on hormonal differences
d. is based on genetic, anatomical and hormonal differences
e. cannot be determined except for genetic analysis
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Question 4) Which of the following hormones is responsible for the development and maintenance of the secondary sexual characteristics?
a. testosterone
b. estrogen
c. progesterone
d. both testosterone and estrogen.
e. all of these answers.
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Question 5) Which of the following is the correct order in which the glands add seminal fluid to migrating sperm cells in the male reproductive tract.
a. bulbourethral glands, prostate, seminal vesicles
b. bulbourethral glands, seminal vesicles, prostate
c. prostate, bulbourethral glands, seminal vesicles
d. prostate, seminal vesicles, bulbourethral glands
e. seminal vesicles, prostate, bulbourethral glands
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Question 6) Which is not a function of the primary sex organs?
a. production of estrogen.
b. production of testosterone.
c. production of progesterone.
d. production of seminal fluids.
e. gametogenesis.
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Question 7) Which of the following is a female accessory sex organ?
a. bulbourethral gland.
b. clitoris.
c. prostate gland.
d. seminal vesicle.
e. ovary.
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Question 8) The gonads
a. consist of a pair of testes in males and ovaries in females.
b. produce gametes and secrete sex hormones.
c. refer to the externally visible genitalia in both sexes.
d. both (a) and (b) above.
e. all of these answers.
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Question 9) In addition to the gonads, the reproductive system includes all of the following except:
a. reproductive tract
b. urinary bladder
c. accessory glands
d. external genitalia
e. it includes all of the above
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Question 10) The primary reproductive organs in the male include the
a. testes.
b. prostate gland.
c. seminal vesicles.
d. bulbourethral glands.
e. all of these answers.
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