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: Microscopy Facilities are available at all Primary health centres (PHC). Those Primary health centres (PHC) with additional Radiology facility were called PHC-R (R for Radiology) under the national tuberculsis (TB) programme. Ref: Park's Textbook of Preventive and Socaial Medicine By K.Park, 18th Edition, Page 335.