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': 'True regarding acetazolamide is ? \nSelect and explain. \nA. Irreversible inhibitor of carbonic anhydrase, B. Structural resemblance to sulfonamides, C. It decreases Na, K, Glucose excretion, D. It causes metabolic alkalosis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Structural resemblance to sulfonamides o Acetazolamide is sulfonamide derivatives and, like other sulfonamides, may cause bone marrow depression, skin toxicity, sulfonamide like renal lesions, and allergic reactions in patients hypersensitive to sulphonamides. o Acetazolamide is reversible inhibitor of carbonic anhydrase. o It causes metabolic acidosis (net alkalosis). o K' excretion is increased.", 'role': 'assistant'}]