system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following antihypeensive drugs increase plasma renin activity except:
assistant
The correct answer is  Plasma renin activity is increased by reflex increase in sympathetic discharge. Clonidine decreases central sympathetic outflow and thus will decrease the plasma renin activity. Vasodilators and ACE inhibitors result in reflex increase in plasma renin activity.