Drugs increasing renin levels except:
Clonidine
Hydralazine
Nifedipine
Captopril
Ans. A. ClonidineRenin levels are increased when there is reflex sympathetic outflow. Vasodilators and ACE inhibitors results in reflex increase in renin activity. Clonidine on the other hand decrease the sympathetic outflow.
C.V.S