Question : 'ELISA' test is employed to diagnose :
Option 1: Polio virus
Option 2: AIDS antibodies
Option 3: Tuberculosis bacterium
Option 4: Cancer
Correct Answer: AIDS antibodies
Solution : The correct option is AIDS antibodies.
The ELISA (Enzyme-Linked Immunosorbent Assay) test for AIDS (HIV) antibodies works by detecting specific HIV antibodies in a blood sample.It involves immobilising HIV antigens on a solid surface and allowing blood antibodies to attach to them. A colour change reveals the presence of HIV antibodies after a sequence of stages, implying a probable HIV infection if the result is positive. Following a positive ELISA result, confirmatory tests are often utilised to confirm an HIV diagnosis.
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