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': 'Interferon gamma is used for treatment of ? \nSelect and explain. \nA. HBV, B. HCV, C. Osteopetrosis, D. Both HBV and HCV', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Osteopetrosis Interferon alfa-2b and alfa-2a are used in chronic hepatitis B and C, and in some malignancies. Interferon beta-la is used in - multiple sclerosis. Interferon gamma-lb is used in - chronic granulomatous disease and osteopetrosis.", 'role': 'assistant'}]