Antibodies are detected in a patient's enzyme immunoassay (EIA). The nurse expects the physician to order which of the following tests to confirm the EIA test results?
A) Another EIA test
B) Viral load test
C) Western blot test
D) CD4/CD8 ratio
Ans: C
Feedback: The Western blot test detects antibodies to HIV and is used to confirm EIA test results. The viral load test measures HIV RNA in the plasma; it is not used to confirm EIA test results but to track the progression of the disease process. The CD4/CD8 ratio test evaluates the ratio of CD4 and CD8 cells. HIV kills CD4 cells, which results in an impaired immune system; this test is used to assess the immune system.
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