The following statements regarding finasteride are true except: (A) It is used in the medical treatment of benign Prostatic hyperophy (BPH), (B) Impotence is well documented after its use, (C) It blocks the conversion of dihydrotestosterone to testosterone, (D) It is a 5 -alpha reductase inhibitor
Answer is C. .Finasteride, is used for the treatment of benign prostatic hyperplasia male pattern baldness. It is a 5a-reductase inhibitor; 5a-reductase, an enzyme, conves testosterone to dihydrotestosterone (DHT) (option 3 its give otherway round) Adverse affects include increased risk for impotence, erectile dysfunction, decreased libido, and ejaculation disorder for the first year of treatment.