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 3A4 enzymes are affected by: \nSelect and explain. \nA. Fexofenadine, B. Phenytoin, C. Carbamazapine, D. Azithromycin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: carbamezepine is metabolised by cyp3a4 enzyme inducers will enhance the metabolism of other drugs eg for enzyme inducers- phenytoin, phenobarbitone, carbamazepine, chronic alcoholism, smoking, st johns wa Pg.no 23 KD TRIPATHI Seventh edition', 'role': 'assistant'}]