Isoniazide is metabolized by -: (A) Acetylation, (B) Oxidation, (C) Reduction, (D) Hydrolysis
Answer is A. Ans. is 'a' i.e., Acetylation o Isoniazid is extensively metabolized in liver most important pathway being N - acetylation by NAT 2. The acetylated metabolite is excreted in urine.Drugs metabolized bv acetylationo Sulfonamides (including dapson)o INHo Procainamideo Hydralazineo PASo Clonazepam {given in 6th/e)