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
Most peripheral laboratory under RNTCP 
Select and explain. 
A. Peripheral Reference laboratory, B. Designated microscopy centre, C. Tuberculosis unit, D. Intermediate Reference laboratory
B: Designated microscopy centre
Answer: B: Designated microscopy centre 
Explanation: None