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
Sputum microscopy for TB diagnosis has 
Select and explain. 
A. High sensitivity and low specificity, B. Low sensitivity and Low specificity, C. Low sensitivity and High specificity, D. High sensitivity and High specificity
C: Low sensitivity and High specificity
Answer: C: Low sensitivity and High specificity 
Explanation: None