A male bodybuilder takes testosterone supplements to increase his muscle mass. After three weeks, which of the following do you expect to observe? A) Excess testosterone increases production of estrogens. B) Excess testosterone inhibits production of gonadotropin ^-releasing hormone (GnRH). C) Excess testosterone inhibits production of growth hormone ^-releasing hormone (GHRH). D) Excess testosterone increases production of luteinizing hormone (LH).

Question

Quizplus · Accepted Answer

Excess testosterone inhibits the production of gonadotropin-releasing hormone (GnRH) through negative feedback, which in turn reduces the production of luteinizing hormone (LH) and follicle-stimulating hormone (FSH).

A Male Bodybuilder Takes Testosterone Supplements to Increase His Muscle