Highly specific and sensitive test for diagnosing kalaazar: March 2010
Complement fixation test with WKK antigen
Napier's aldehyde test
Chopra's antimony test
Immunofluorescent antibody test
Ans. D: Immunofluorescent antibody test The direct agglutination test (Immunofluorescent antibody test) for anti-leishmanial antibody has been found to be highly specific and sensitive for diagnosing kal-azar. Complement fixation test with WKK antigen, Napier's aldehyde test and Chopra's antimony test is also positive in some other conditions like TB and leprosy