This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'True regarding acetazolamide is \nSelect and explain. \nA. Irreversible inhibitor of carbonic anhydrase, B. Structural resemblance to sulfonamides, C. It decrease so potassium excretion, D. It cause metabolic alkalosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Acetazolamide is non-competitive but reversible inhibitor of carbonic anhydrase It is a sulfonamide derivative It causes hypokalemia and metabolic acidosis.', 'role': 'assistant'}]