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12 Cards in this Set
- Front
- Back
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What are the 2 diagnostic criteria of AIDS?
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A. No known cause of immuno- suppression (cancer, steroids, renal failure)
B. Has disease predictive of a defective cellular immune function. |
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When can AIDS be diagnosed?
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When a previously healthy patient under 60 yrs meets both criteria A and B.
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What is the Etiologic agent of AIDS?
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Human Immunodeficiency Virus
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What are 2 other names for HIV?
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HTLV-III
LAV |
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What is the highest risk group for AIDS? What are 4 others?
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Homosexuals or Bi
IV drug users, Hemophiliacs, Haitians, others. |
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What 2 parameters measure Aids?
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-Viral load
-Tcell counts |
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What are the 2 categories of immune system changes in AIDS?
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1. Cellular
2. Humoral |
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Name 3 cellular changes that take place in AIDS:
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1. Delayed hypersensitivity skin test anergy
2. Lymphopenic - low T cells 3. Decreased Th:Tc ratio |
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What are the 3 characteristic Humoral indications of aids?
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1. Normal B cells
2. Increased IgG and IgA 3. Elevated circulating Ig's |
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What is the standard HIV screening test?
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ELISA for HIV antibody
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What test confirms a positive HIV Screen?
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Western blot
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what is the purpose of the western blot for AIDS?
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to see if the elisa reactivity corresponds to viral proteins of specific molecular weight.
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