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38 Cards in this Set
- Front
- Back
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Virus
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acellular infectious material
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virion
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infectious virus particle
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prion
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mis-shaped protein without nucleic acid
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viroid
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pieces of RNA without a protein
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Bacteriophage
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virus that infects bacteria
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capsid
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protein covering a virus
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capsomere
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protein sub-unit of the capsid
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characteristics of virus
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acellular
obligate parasite cannot live outside the host does not have typical characteristics of life lack enzymes does not synthesize protein nucleic acid with a protein shell |
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helical
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coiled structure
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icasohedron
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20 sided with 12 angles
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enveloped virus
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has external covering
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naked virus
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does not have an external covering
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epitope
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small group of molecules on an antigen that is recognized by lymphocytes
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antibody
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globulins produced in response to antigens
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monoclonal antibody
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antibody that is produced for a specific antigen
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IgM
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produced in response to antigen as a first response ; short term
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IgG
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produced subseqently; long term with memory
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IgE
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produced in response to allergens and parasites
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immunoglobulin structure
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y shaped containing to 2 heavy and 2 light chains
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titer
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amount of antibodies present in blood to a specific disease
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ELISA
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enzyme linked immono sorbant assay
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passive immunity
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immunity from performed antibodies. DOES not provoke antibody formation short term action
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active immunity
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produced when challenged with an antigen. Provokes antibody formation and memory ; long lasting
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natural immunity
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immunity from normal life events. from infection placental, breast milk
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artifical immunity
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acquired when challenged artifically with antigen: injection of antiserum
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autoimmunity
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abnormal antibody response to 'self antigen' due to lost tolerance rheumatoid arthritis, myesthenia gravis, multiple sclerosis
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immune deficiency
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lack of deficiency of immune response
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anaphylaxis
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systemic explosive reaction to an antigen: PCN bee sting
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anaphylactic shock
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anaphylaxis leading to respiratory failure
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type 1 hyper
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caused by an infectious agent or its toxins, confined to GI system
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type 2 hyper
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lysis of foreign cell; blood transfusion incompatibilty
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type 3 hyper
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immune complexes in localized tissues
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type 4 hyper
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delayed allergic response: graft rejection, mantoux test
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autograft
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graft from same person
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isograft
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graft from identical twin
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allograft
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graft from same species but different individual
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xenograft
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graft from different specie
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prevent rejection of graft
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do tissue match
use immunosuppresant drugs treat tissue so that it does not provoke antibody formation |
