Biosci

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Author:
scherzetude
ID:
232733
Filename:
Biosci
Updated:
2013-09-04 23:49:26
Tags:
beaton
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beaton
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  1. Two types of adaptive immunity
    • Humoral (mediated by B lymphocytes)
    • Cell-mediated (mediated by T lymphocytes)
  2. Two types of Cell mediated T lymphocytes
    • CD4+ (helper T cells)
    • CD8+ (cytotoxic T cells)
  3. Two types of CD4+ helper T cells
    • Type 1--activates macrophages
    • Type 2--activates B cells
  4. Two types of immunization
    • Passive (instant immunity, can decay rapidly, transfer of pre-formed antibodies i.e. prevent rabies)
    • Active (administer antigen, requires days to weeks to develop)
  5. Where are MHC I (recognized by CD8) found?
    all nucleated cells
  6. Where are MHC II (recognized by CD4) found?
    B cells, dendritic cells, and phagocytic cells
  7. Histamine
    • Bronchoconstriction
    • mucous secretion
    • vasodilation
    • vascular permeability
  8. Allergic rhinitis
    • nasal congestion
    • runny nose
    • postnasal drip
    • sneezing
    • pruritis (itching) of nasal and oral mucosa
    • plugged ears
  9. Food allergy
    • Hives (urticaria)
    • angioedema (blood vessel wall swelling)
    • anaphylaxis
  10. anaphylaxis
    • hypotension
    • tachycardia (elevated heart rate)
    • asphyxia along with skin symptoms of urticaria (hives)
    • laryngo-edema (swelling of larynx)
    • edema of GI smooth muscle leading to abdominal pain.

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