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12 Cards in this Set
- Front
- Back
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What is a molecule that can react with (or be recognized by) the immune system
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Antigen
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A molecule that binds and reacts with antibody or antigen receptors on T/B cells
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Antigen
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T cells; B cells
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Lymphocytes
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Which immunoglobulin reacts with the initial encounter with an antigen (primary response)?
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IgM
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Immunoglobulin that reacts during secondary response?
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IgG
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Define:
Opsonization Neutralization Agglutination Precipitation Complement activation |
- Coating of antigens
- Blocks binding of antigen to receptor - Clumping of insoluble particles - Turns soluble antigen into soluble precipitate - death by cell lysis |
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Describe active immunity
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Acquired actively by exposure to disease or immunization. Provides lifelong protection after a month of exposure.
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What are molecules that recognize an antigen?
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Antibody
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What are the five classes of antibodies?
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1) IgG - red
2) IgA 3) IgM - red 4) IgD 5) IgE |
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What's another name for antibodies?
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Immunoglobulin
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What are products of active immunity?
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Antibodies
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Antibodies:
Primary exposure Subsequent exposure |
IgM
IgG |
