Case finidng in RNTCP is based on -: (A) Sputum culture, (B) Sputum microscopy, (C) X-ray chest, (D) Mantoux test \/ PCR
Answer is B. - the case finding tool in RNTCP is based on sputum examination. - sputum smear examination by direct microscopy is now considered the method of choice. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:429 <\p>