Which of the following class of drugs is contraindicated in bilateral renal artery stenosis?: (A) Angiotensin receptor blocker, (B) ACE inhibitors, (C) Aldosterone antagonist, (D) Renin inhibitor
Answer is B. Ans. is 'b' i.e., ACE inhibitors Contraindications of ACE inhibitors* Pregnancy* Renal artery stenosis (whether unilateral, bilateral renal or suspected from the presence of generalized atherosclerosis) - ACE inhibitor may cause renal failure.