This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Which of the following drug is contraindicated in case of bilateral renal artery stenosis \nSelect and explain. \nA. Hydralazine, B. Enalapril, C. Methyldopa, D. Dopamine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Enalaparil is a ACE inhibitor (Angiotensin converting enzyme inhibitor). All ACE inhibitors lead to decrease in GFR. Hence, they are contraindicated in Bilateral renal artery stenosis to prevent further decrease in GFR.', 'role': 'assistant'}]