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 positive TB is 
Select and explain. 
A. 2 out of 3 sputum sample +ve, B. 1 out of 2 sputum sample +ve, C. BACTEC +ve, D. Mantoux test positive
B: 1 out of 2 sputum sample +ve
Answer: B: 1 out of 2 sputum sample +ve 
Explanation: None