The nurse understands the most significant laboratory study for the client who is HIV positive is the
a. CD4+ cell count.
b. enzyme-linked immunosorbent assay (ELISA) test.
c. total white blood cell count.
d. Western blot test.
A
The most recent classification system for HIV disease in adults and adolescents is based on two monitoring parameters used to follow a client: (1) laboratory data (CD4+ cell count) and (2) clin-ical presentation (the person's clinical manifestations of diseases). The Western blot test would be used to confirm the diagnosis of HIV, which is done with the enzyme-linked immunosorbent assay test. The total white blood cell count can indicate infection, but is not specific for HIV.
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