The blood test first used to identify a response to HIV infection is:
a. Western blot
b. ELISA test
c. CD4+ T-cell count
d. CBC
Answer B.
Keyword: FIRST. Rationale: The ELISA test is the first screening test for HIV. A Western blot test confirms a positive ELISA test. Other blood tests that support the diagnosis of HIV include CD4+ and CD8 + counts, CBC, immunoglobulin levels, p24 antigen assay, and quantitative ribonucleic acid assays.
a. Western blot
b. ELISA test
c. CD4+ T-cell count
d. CBC
Answer B.
Keyword: FIRST. Rationale: The ELISA test is the first screening test for HIV. A Western blot test confirms a positive ELISA test. Other blood tests that support the diagnosis of HIV include CD4+ and CD8 + counts, CBC, immunoglobulin levels, p24 antigen assay, and quantitative ribonucleic acid assays.
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Hematology