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': 'Non competitive inhibitor of carbonic anhydrase? \nSelect and explain. \nA. Allopurinol, B. Acetazolamide, C. Bimatoprost, D. Dipivefrine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Acetazolamide Carbonic anhydrase inhibitors act by a non-competitive, reversible inhibition of the enzyme carbonic anhydrase.", 'role': 'assistant'}]