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Types of Immunity

PATHO TEST 2

QuestionAnswer
Innate Immunity -"Born with" 1) Physical and Chemical Barriers 2) Monocytes to Macrophages -migrate to tissues -phagocytize -release cytokines -present antigens 3)Cytokines -chemical signals by WBC -regulate immune system -inflammation regulation
Innate Immunity Continued 4)Natural Killer Cells -Granular lymphocytes -destroy tumor cells and virus-infected cells Examples: Enzymes in tears, PH of GI tract, activated by "danger signals" - general threats
Adaptive Immunity "Earned" -Specific/Acquired -T cells: cell-mediated immunity -B cells: antibody-mediated immunity Self Vs. Nonself -Major Histocompatability Complex (MH1 and MH2) (Human Leukocyte Antigen) triggered by exposure to pathogens
Active Aquired exposure to antigen through illness or vaccination from "yourself" Stays longer
Passive Aquired pre-made antibodies immediate immunity-short term from someone/something else Ex: Hep B immunoglobin or antibodies transferred in breast milk(IgA)
Created by: Mplaster
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