Spermatogenesis
a. occurs in the interstitial cells
b. begins with the primary spermatocyte
c. is controlled by both testosterone and FSH.
d. is controlled by both testosterone and LH
e. occurs are a slower rate than oogenesis
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Question 2) Select the structure that serves as a common passageway for two tracts in the male.
a. anterior pituitary
b. ductus deferens
c. ejaculatory duct
d. ureter
e. urethra
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Question 3) In both sexes, the reproductive changes that take place during puberty include all of the following except:
a. maturation of gonads
b. development of secondary sex characteristics
c. fertility
d. growth of reproductive tract
e. development of muscle and loss of fat
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Question 4) The testes are located outside of the abdominal cavity in the scrotal sac to
a. permit spermatogenesis.
b. protect the gonads against injury.
c. permit testosterone secretion.
d. maintain the testes at a lower than normal body temperature for normal testicular function.
e. any two of the above
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Question 5) Which of the following is not stimulated by testosterone?
a. masculinization of the developing reproductive tract and external genitalia.
b. descent of the testes into the scrotum.
c. spermatid remodeling.
d. development and maintenance of male secondary sexual characteristics.
e. libido.
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Question 6) Which statement is true?
a. diploid cells contain 23 chromosomes
b. sperm and egg are haploid cells
c. sperm and egg are produced by mitosis
d. each human cells has 22 pairs of sex chromosomes
e. genetic males have two of the same sex chromosomes
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Question 7) Sperm cells are stored for maturation in the
a. anterior pituitary.
b. ductus deferens.
c. epididymis.
d. Leydig cells.
e. urethra.
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Question 8) Testosterone
a. is responsible for the male secondary sexual characteristics.
b. stimulates spermatogenesis.
c. acts in negative-feedback fashion on the anterior pituitary and hypothalamus.
d. secretion is stimulated by LH.
e. all of these answers.
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Question 9) Which cells make androgen binding protein?
a. sperm
b. spermatagonia
c. theca
d. granulosa
e. Sertoli
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Question 10) Which of the following statements concerning testosterone is incorrect? Testosterone
a. secretion is stimulated by LH.
b. is secreted by the seminiferous tubules.
c. stimulates spermatogenesis.
d. promotes closure of the epiphyseal plate.
e. stimulates protein synthesis and promotes bone growth.
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