Testosterone is categorized as which of the following types of hormones?
A. Androgen
B. Aldosterone
C. Progestin
D. Estrogen
Testosterone is a sex hormone that regulates the sex drive, bone mass, production of red blood cells and sperm. It is a steroid of the androstane class, which contains a ketone on the third position and hydroxyl group at position seventeen as in the diagram below.
Therefore, the Correct Answer is A.