This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'All of the following are microsomal enzyme inhibitors except \nSelect and explain. \nA. Glucocoicoids, B. Cimetidine, C. Ciprofloxacin, D. INH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Other inhibitors- Ketoconazole, Metronidazole, Allopurinol, Erythromycin, OCPs, Omeprazole', 'role': 'assistant'}]