A&P2-ClassNotes P39 Immune Sys #8/Test 3
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| COMPLETE ANTIGENS: | are antigens that have at least two ANTIGEN DETERMINANT SITES-one for each of the antigen binding sites of an antibody molecule
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| ANTIGENIC DETERMINANT SITES are the portions of the: | antigen that are exposed and will react with an antibody
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| HAPTENS are: | PARTIAL ANTIGENS
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| PARTIAL ANTIGENS are molecules that: | are two small to initiate an immune response on thier own
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| Partial antigens can link with a CARRIER to: | create a complete antigen
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| A complete antigen is a: | combination that will activate body defenses
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| The carrier may contribute: | An antigenic determinant site
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| The antibodies produced will attack both: | the antigen and its carrier molecule (ie:poisen ivy, cosmetics, etc...)
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| Most antigens have multiple antigenic determinents and: | either antibodies or lymphocytes can attach to them
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| Self-antigens are not antigenic to us, but: | form a basis for transfusion reactions & implant rejections in others
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| MHC stands for: | MAJOR HISTOCOMPATIBILITY COMPLEX
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| MHC proteins are glycoproteins that: | are on our cell membranes & specifically mark those membranes as self
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| HLA stands for: | HUMAN LEUKOCYTE ANTIGENS
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| HLA's are part of the : | MHC system
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| Healthy cells have MHC peptides that: | are produced from the breakdown of normal cellular proteins & processes
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| Classes of MHC proteins include: | CLASS 1 MHC & CLASS 11 MHC
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| Class 1 MHC - all body cells except: | RBC's
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| Class 1 MHC is the class that: | activates cytotoxic T-cells
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| CLASS 11 MHC is located on the surface of: | mature B-cells, some T-cells and macrophages.
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| The Class 11 MHC is used to allow cells to: | recognize one another during a battle
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| The IMMUNE SYSTEM is ______ specific. | antigen
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| The Immune system is systemic, not isolated to: | initial infection site.
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| The immune sys is equipped with memory after: | initial attacks
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| There are several forms of immunity and they all: | involve defensive T-cells & B-cells.
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| T-cells cannot react to antigens in: | solution and B-Cells cannot cross a cell membrane.
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| Why do you need both T & B cells? | T cells cannot react to antigens in solution and B-cells cannot cross a cell membrane.
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| The t-cells defend against: | abnormal cells as well as antigens within cells
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| B-cells defend against pathogens: | outside the cell that are within the body fluids
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