A man in his thirties is not producing testosterone and his lab tests reveal that he does make GnRH and LH normally. Where in his system does his problem reside?

Question

Quizplus · Accepted Answer

The problem resides in the Leydig cells, which are located in the testes and are responsible for producing testosterone in response to LH (Luteinizing Hormone). Since the man is producing GnRH (Gonadotropin-releasing hormone) and LH normally, the issue lies in the response to LH, which is the function of the Leydig cells.

A Man in His Thirties Is Not Producing Testosterone and His