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12 Cards in this Set
- Front
- Back
allergen
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substance capable of causing a specific hypersensitivity in the body; a type of antigen
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anaphylaxis
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exaggerated or unusual hypersensitivity to foreign protein or other substance.
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atopy
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hypersensitive or allergic state involving an inherited predisposition. From the Greek word atopia, which means strangeness.
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CD4+ cells
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Helper T cells that carry the CD4 protein antigen on their surface. HIV binds to C
D4 and infects and kills T cells bearing this protein. |
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Hodgkin disease
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Malignant tumor of lymph tissue in spleen and lymph nodes; Reed-Sternberg cell often is found on microscopic analysis.
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human immunodeficiency virus (HIV)
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Virus (retrovirus) that causes AIDS.
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Kaposi sacroma
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Malignant (cancerous) condition associated with AIDS; arises from the lining of capillaries and appears as bluish-red skin nodules.
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non-Hodgkin lymphoma
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Group of malignant tumors involving lymphoid tissue. Examples are follicular lymphoma and large cell lymphoma.
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opportunistic infections
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Infectious diseases associated with AIDS; they occur because HIV infection lowers the body's resistant and allows infection by bacteria and parasites that normally are easily contained.
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protease inhibitor
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Drug that treats AID by blocking the production of protease, a protelytic enzyme that helps to create new viral pieces for HIV.
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retrovirus
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RNA virus that makes copies of itself by using the host cell's DNA; this is in reverse (retro-) fashion because the regular method is for DNA to copy itself onto RNA. A retrovirus (like HIV) carries an enzyme, called reverse transcriptase, that enables it to reproduce within the host cell.
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reverse transriptase inhibitor
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Drug that treats AIDS by blocking reverse transcriptase, an enzyme needed to make copies of HIV.
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