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
Under the national TB programme, for a PHC to be called a PHC-R, requisite is - 
Select and explain. 
A. Microscopy, B. Microscopy plus radiology, C. Radiology, D. None of the above
B: Microscopy plus radiology
Answer: B: Microscopy plus radiology 
Explanation: Ans. is 'b' i.e., Microscopy plus radiology o District tuberculosis centre (DTC) is the nucleus of DTP o The function of DTC is to plan, organize and implement the DTP in the entire district, in association with general Health services. o When 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. o It is impoant that only such PHIS are selected for implementation of the programme, which are under the charge of qualified Medical officers.