Q:

Testosterone secretion from the testis

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 Testosterone secretion from the testis.


  1. Increases at puberty because LH levels increase.
  2. Is responsible for the growth of facial hair.
  3. Has a negative feedback effect on FSH secretion by the anterior pituitary gland.
  4. Peaks in the early evening.
  5. Is responsible for interest in the opposite sex.

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 A. True LH secretion is controlled by hypothalamic GnRH (LH/FSH RH).

B. True Females given testosterone may develop a beard.

C. False Inhibin secreted by the testis has a negative feedback effect on FSH secretion.

D. False It peaks around the time of awakening.

E. True Castrates have little interest in sex.

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