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: Pharmacology
[{'content': 'Maximum sterilizing effect is shown with which of the following anti TB drug? \nSelect and explain. \nA. Rifampicin, B. Streptomycin, C. INH, D. Pyrazinamide', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pyrazinamide acts on slow-growing bacteria inside the macrophages causing maximum sterilization., Ref: Katzung 13th /819', 'role': 'assistant'}]