Which of the Following Tests is MOST Useful in Determining

Question

Which of the following tests is MOST useful in determining the presence of AIDS antibodies?
A)agglutination
B)complement fixation
C)neutralization
D)indirect ELISA
E)direct fluorescent-antibody

Accepted Answer

The indirect ELISA test is the most commonly used method for detecting the presence of antibodies against HIV in blood samples. It works by using a specific antigen to capture the antibodies present in the sample, which are then detected by a secondary antibody that is conjugated to an enzyme. This produces a color change that indicates the presence of HIV antibodies. Agglutination, complement fixation, neutralization, and direct fluorescent-antibody tests are also used for diagnosing HIV/AIDS, but they are less sensitive and specific than the indirect ELISA test.