This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'The antiepileptic drug which does not produce enzyme induction is - \nSelect and explain. \nA. Phenobarbitone, B. Sodium valproate, C. Phenytoin, D. Primidone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Sodium valproate o Most of the anticonvulsants are enzyme inducers except valproate which is an inhibitor. Note : Valprate is an enzyme inhibitor overall but it induces metabolism of carbamazepine: "Valproate and carbamazepine induce each other;s metabolism"', 'role': 'assistant'}]