<prompt> For tuberculosis screening which test is done -Sputum microscopySputum cultureTuberculin testLymph node biopsy  <response>: Ans. is c i.e., Tuberculin test Tuberculin test is done with purified protein derivation PPDand impoant screening test for TB.Teste for tuberculosis screening are :-Tuberculin test Mantoux test.Interferon-gamma release assay e.g. Quantiferon TB assay. 