This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
[{'content': 'CYP-450 inducers are: \nSelect and explain. \nA. Cimetidine, B. Ketoconazole, C. erythromycin, D. DDT', 'role': 'user'}, {'content': 'Answer: D \nExplanation: eg for enzyme inducers of cyp3a4 - phenobarbitone, rifampin, glucocoicoids, Phenobarbitone also induces CYP2Bl and rifampin also induces CYP2D6.Isoniazid and chronic alcohol consumption induce CYP2El.Other impoant enzyme inducers are- chloral hydrate, phenylbutazone, griseofulvin, DDT. Erythromycin, cimetidine, ketoconazole are enzyme inhibitors ref ;KD Tripathi Pharmacology 7th edition (page no;26)', 'role': 'assistant'}]