WBR0509

Author	[[PageAuthor::Gonzalo A. Romero, M.D. [1]]]
Exam Type	ExamType::USMLE Step 1
Main Category	MainCategory::Pharmacology
Sub Category	SubCategory::Reproductive
Prompt	[[Prompt::A 61-year-old male comes to the clinic due to hair loss. He has a progressive history of baldness. He has tried many topical ointments and different products seen on TV, which have not been very helpful. He would like to look younger and to prevent losing further hair. The family doctor considers using Finasteride to treat his condition. Which of the following is true about the mechanism of action of this drug?]]
Answer A	AnswerA::It is a non-steroidal competitive inhibitor of androgens at the testosterone receptor
Answer A Explanation	[[AnswerAExp::Incorrect. It is incorrect because]]
Answer B	AnswerB::Inhibits the synthesis of steroid
Answer B Explanation	[[AnswerBExp::Incorrect. It is incorrect because]]
Answer C	AnswerC::Inhibits the conversion of testosterone to DHT
Answer C Explanation	[[AnswerCExp::Incorrect. It is incorrect because]]
Answer D	AnswerD::Inhibits steroid binding
Answer D Explanation	[[AnswerDExp::Incorrect. This patient is presenting with:]]
Answer E	AnswerE::Binds to estrogen receptors
Answer E Explanation	[[AnswerEExp::Incorrect. It is incorrect because]]
Right Answer	RightAnswer::
Explanation	[[Explanation:: Educational Objective: References: ]]
Approved	Approved::No
Keyword	WBRKeyword::Testosterone agonist, WBRKeyword::testosterone antagonist
Linked Question	Linked::
Order in Linked Questions	LinkedOrder::