Which of the following drug decreases plasma renin activity?: (A) Enalapril, (B) Nefidipine, (C) Hydralazine, (D) Clonidine
Answer is D. Ans. is 'd' i.e., Clonidine o Drugs which increase plasma renin activity (Diuretics, vasodilators, CCBs, ACE inhibitors) may be combined with drugs which lower plasma renin activity (sympatholytic drugs - b-blockers, clonidine, methyl dopa).