A male body builder starts taking injections of testosterone (an anabolic steroid)on a daily basis.After three weeks,which of the following would you expect to observe?
A) increased sex drive
B) decreased levels of GnRH
C) decreased levels of LH
D) decreased levels of FSH
E) All of the observations

Question

Quizplus · Accepted Answer

Taking injections of testosterone (an anabolic steroid) on a daily basis will lead to increased levels of testosterone in the bloodstream. This increased level of testosterone will negatively feedback on the hypothalamus and reduce the production of GnRH. As a result, there will be a decreased secretion of LH and FSH by the anterior pituitary gland. The decreased levels of LH and FSH will in turn lead to a reduction in the production of sperm, lead to testicular atrophy, and decreased sexual function. Therefore, all of the observations listed in the choices (A, B, C, and D) would be expected after three weeks of using anabolic steroids.

A Male Body Builder Starts Taking Injections of Testosterone (An