Blood for transfusion is frequently tested for HIV by using the
A) complement fixation test.
B) agglutination test.
C) ELISA method.
D) Ouchterlony test.
E) light microscope.

Question

Quizplus · Accepted Answer

The ELISA method (Enzyme-Linked Immunosorbent Assay) is a commonly used test to diagnose HIV infection, including in blood transfusions. It detects the presence of antibodies against HIV in the sample, giving a positive or negative result for the virus. The other options listed are not commonly used for testing HIV in transfusion blood.

Blood for Transfusion Is Frequently Tested for HIV by Using