This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Adverse Drug Effect, Subject name: Pharmacology
[{'content': 'Pulmonary fibrosis is the most common complication after treatment with \nSelect and explain. \nA. 6- mercaptopurine, B. Vincristine, C. Bleomycine, D. Adriamycine', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., bleomycin This question has been repeated numerous times before so its well-known that Bleomycin causes Pulmonary fibrosisThe other important fact about Bleomycin is its mechanism of action.* It causes DNA chain scission and inhibits repair by intercalating between DNA strands*Other drugs causing pulmonary fibrosis areacyclovir*amiodarone*busulphan*cyclophosphamide*melphalan*methotrexate*methysergide*", 'role': 'assistant'}]