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5 Cards in this Set
- Front
- Back
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IgG
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most common antibody; produced in both primary and secondary immune responses; activates compliment; includes antibacterial, antiviral, and antitoxin antibodies. crosses placenta, creates passive immunity in newborn
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IgM
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bound to b lymphocytes in ciculation and is usually the first to increase in the immune response; activates complement; forms natural antibodies; is involved in blood ABO type incompatibility rxn
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IgA
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found in secretions such as tears and saliva, in mucous membranes, and in colostrum to provide protection for newborns
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IgE
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binds to mast cells in skin and mucous membranes; when liked to allergen, causes release of histamine and other chemicals, inflammation
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IgD
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attached to b cells; activates b cells
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