This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Finasteride has efficacy in the prevention of male pattern baldness by viue of its ability to: 
Select and explain. 
A. Competitively antagonize androgen receptors, B. Decrease the release of gonadotropins, C. Inhibit the synthesis of testosterone, D. Reduce the production of DHT
D: Reduce the production of DHT
Answer: D: Reduce the production of DHT 
Explanation: Reduce the production of DHT Finasteride is a 1-a-reductase inhibitor. It acts by blocking the conversion of testosterone of DHT. It can be used to relieve the static component of BHP (though its beneficial effect is delayed). Due to decrease in DHT, it can cause impotence. It can also be used in he treatment of male pattern baldness and prostate cancer.