Which drug is not metabolized by acetylation: (A) Isoniazide, (B) Dapsone, (C) Hydralazine, (D) Metoclopropramide
Answer is D. Impotant drug metabolised by acetylation are S- Sulphonamides including dapsone H-Hydralazine I-Isoniazide P-procainamide Ref-KDT 7/e p24