USMLE Step 1

You have a 46 year-old patient come into the office. He complains that he has noticed that his breasts are getting bigger. He currently is being treated for high blood pressure and GERD. Which of the patients’ medications could have caused his gynecomastia?

A) Minoxidil
B) Propranolol
C) Sucralfate
D) Chlorothiazide
E) Cimetidine


check back tomorrow for your answer.

Yesterday's Answer:
D) depletion of ATP. ATP is required for Myocyte contraction. However, ATP is also required for the myosin cross-bridge to detach. During the moments of dying the muscles contract using the remaining ATP in the body. After some time there is no ATP in the body to detach the myosin cross-bridge.