Question

A newly discovered toxin is known to impact female fertility. It acts to block hormones from binding to plasma membrane receptors. Which statement would be correct?

A. it likely acts on gonadotropin producing cells of the posterior pituitary

B. it could act at theca cells of the primary follicle

C. it might act on the granulosa cells to alter hormone production

D. it would directly affect estrogen’s ability to cause mitosis

Answer 1

Ans:- B.) it could act at theca cells of the primary follicle

See option a) is wrong because gonadotrophins are produce by anterior pituitary not post.

C) is wrong because granulosa cells are present inside the basal lamina of secondary follicle and as given in que toxin can only act on cell membrane receptor.

D) estrogen have intranuclear receptor so it is not effected by toxin