This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
[{'content': 'Slow acetylators of Isoniazid are more prone to develop \nSelect and explain. \nA. Failure of therapy, B. Peripheral neuropathy, C. Hepatotoxicity, D. Allergic reactions', 'role': 'user'}, {'content': 'Answer: B \nExplanation: acetylator status of a person determines the response of drugs metabolised by acetylation Isoniazid is metabolised to acetyl-isoniazid and then to acetyl hydrazine. Accumulation of Isoniazid is responsible for peripheral neuropathy whereas acetyl hydrazine accumulation may cause hepatotoxicity. Thus slow acetylators will not be able to maetobolize the drug quickly. Refer Sharma 2/e p754', 'role': 'assistant'}]