Which of these factors reduces the release of GnRH (gonadotropin releasing hormone) from the hypothalamus? a) Increase in testosterone b) Reduction of FSH c) Reduction of inhibin d) Reduction of LH

Sertoli cells produce androgen binding protein. The purpose of this androgen binding protein is to :   (select one) a. Transport testosterone to the developing germ cells b. Increase the clearance rate of testosterone c. Prevent the germs cells being exposed to toxic concentrations of testosterone d. Manufacture androgens e. Transport testosterone to the capillaries

Norman had a stroke that decreased blood flow to his anterior pituitary gland. The condition had a sudden onset, and the manifestationslasted for about a week before collateral circulation developed and themanifestations disappeared. Which of the following are most consistent with this temporary interruption of anterior pituitary function?(1) increased testosterone levels in the blood(2) reduced sperm counts during the week Norman was in the hospital(3) decreased testosterone levels in the blood(4) normal sperm counts during the week Norman was in the hospital(5) increased LH secretion(6) decreased LH secretiona. 1,5 b. 3,5 c. 2,3,6 d. 3,4,6 e. 1,4,5

In the milk-letdown reflex, which cells are categorized as neuroendocrine cells? a) Sensory neurons in the breast tissue b)Neurons that synthesize oxytocin and form junctions with capillaries c)Neurons that contract and cause expulsion of milk

The Parent in the biosynthesis of androgens and estrogens is: 1)  Cortisol 2)  Catecholamines 3)  Progesterone 4)  Cholesterol no references, just homework

What effect would a continuous supply of exogenous estrogen or progesterone have on an adult female human? Will it: A) Cause no oocyte maturation B) Have more frequent ovulation C) Contain a stronger surge in LH production at mid-cycle D) Ovulation of multiple oocytes per cycle   E) High, steady FSH production

Which will most likely occur if the testes do not descend into the scrotum before puberty? O A) The androgens will not be produced ○ B) Sperm will be produced but will not move into the male reproductive ducts OD) Sperm production in the seminiferous tubule cannot occur D) The blood-testis barrier will not be formed OE). All of the above

What is the target of corticotropin releasing hormone (CRH)? A) the anterior pituitary B) the posterior pituitary C) the thyroid gland D) hypothalamus

Identify the target cells and effects of FSH and LH.

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