Under the National Tuberculosis Elimination Programme (NTEP), what is the recommended INITIAL diagnostic test for every presumptive pulmonary TB patient presenting to a health facility?
- A Molecular assay such as CBNAAT or Truenat performed upfront ✓
- B Chest radiograph followed by empirical anti-tubercular therapy
- C Sputum smear microscopy by Ziehl-Neelsen stain
- D Liquid culture on Middlebrook medium as the first-line test
Correct answer: A. Molecular assay such as CBNAAT or Truenat performed upfront
Explanation
NTEP moved to 'Universal Access to NAAT', making an upfront molecular test (CBNAAT or Truenat) the initial diagnostic standard for all presumptive TB patients, because it detects Mycobacterium tuberculosis and rifampicin resistance within hours. Smear microscopy is no longer the mandated first test, though it may still be used where NAAT is unavailable. Culture remains the reference standard but takes weeks and is reserved for special situations.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
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