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: Social & Preventive Medicine
[{'content': 'Under the national TB programme, for a PHC to be called a PHC–R, requisite is – \nSelect and explain. \nA. Microscopy, B. Microscopy plus radiology, C. Radiology, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: District tuberculosis centre (DTC) is the nucleus of DTP\nThe function of DTC is to plan, organize and implement the DTP in the entire district, in association with general Health services.\nWhen DTP activities (Sputum microscopy, chest X-ray, Anti-TB treatment) are introduced in an organized manner in a peripheral health institution (PHI), it is considered to be implemented PHI.\nIt is important that only such PHIs are selected for implementation of the programme, which are under the charge of qualified Medical officers.', 'role': 'assistant'}]