For tuberculosis screening which test is done -
Sputum microscopy
Sputum culture
Tuberculin test
Lymph node biopsy
Ans. is 'c' i.e., Tuberculin test "Tuberculin test is done with purified protein derivation (PPD)and impoant screening test for TB".Teste for tuberculosis screening are :-Tuberculin test (Mantoux test).Interferon-gamma release assay (e.g. Quantiferon TB assay).