Pharmacology Endocrinology 320cc26c True regarding acetazolamide is A Irreversible inhibitor of carbonic anhydrase B Structural resemblance to sulfonamides C It decrease so potassium excretion D It cause metabolic alkalosis High-Yield Explanation Acetazolamide is non-competitive but reversible inhibitor of carbonic anhydrase It is a sulfonamide derivative It causes hypokalemia and metabolic acidosis.