Flashcards in Chap 14, Lymphatic and Immune Systems, Laboratory Tests and Clinical Procedures Deck (5)
CD4+ cell count
Measures the number of CD4+ T cells (helper T cells) in the bloodstream of patients with AIDS.
A normal count usually is between 500 and 1500 CD4+ cells per mm3. If the CD4+ count falls below 250 to 200, it is recommended to start treatment with anti-HIV drugs.
Screening test to detect anti-HIV antibodies in the bloodstream. This is a screening test for AIDS.
Test that separates immunoglobulins (IgM, IgA, IgG, IgE, IgD).
This procedure detects the presence of abnormal levels of antibodies in patients with conditions such as multiple myeloma and Waldenstrom macroglobulinenia.
viral load test
Measures the amount of HIV in the blood stream.