Finasteride, a 5α reductase inhibitor, is used for benign prostatic hypertrophy, because the medication:
A) increases the conversion of dihydrotestosterone.
B) prevents the conversion of testosterone to dihydrotestosterone.
C) increases testosterone levels.
D) prevents estrogen conversion.

Question

Quizplus · Accepted Answer

Finasteride works by inhibiting the enzyme 5α-reductase, which is responsible for converting testosterone to dihydrotestosterone (DHT). By reducing DHT levels, it helps decrease prostate size and alleviate symptoms of benign prostatic hypertrophy.

Finasteride, a 5α Reductase Inhibitor, Is Used for Benign Prostatic