This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Sputum positive TB is? 
Select and explain. 
A. 1 out of 2 sputum sample +ve, B. 2 out of 3 sputum sample +ve, C. BACTEC +ve, D. None
A: 1 out of 2 sputum sample +ve
Answer: A: 1 out of 2 sputum sample +ve 
Explanation: One positive specimen out of the two sputum specimens is enough to declare a patient as smear positive TB Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 193