Best method to find out cases of TB in a community is:-
Ans. is 'c' ie Sputum smear examination Park writes - "sputum smear examination by direct microscopy is now considered the method of choice. The reliability cheapness and ease of direct microscopic examination has made it number one case - finding method all over the world."
Chest X-ray
Mantoux test
Sputum smear examination
Sputum culture sensitivity
Communicable Diseases