BIO IMMUNTY

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Anonymous
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205885
Filename:
BIO IMMUNTY
Updated:
2013-03-08 12:53:08
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BIO immunity
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BIO IMMUNITY
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  1. why must immune system be carefully controlled
    • too little expression = bad-get sick
    • too much expression = bad-damage self
  2. autoimmune disorders are casued by
    lack or loss of self antigen recognition
  3. four types of hypersensitivities
    • •Type I -Immediate (IgEand histamine)
    • •Type II -Cytotoxic(IgGand complement)
    • •Type III -Immune Complex (IgGcomplexes)
    • •Type IV -Delayed (T cells and cytokines
  4. type 1 hyper sensitivity =
    example =
    • immediate (IgE and histamine)
    • Hay fever allergies
  5. type II hypersensitivity =
    • Cytotoxic - IgG and complement
    • Blood type mismatch
  6. type III hypersensitivity =
    • Immune Complex
    • IgG complexes
    • autoimmune disease
  7. type IV hypersensitivity =
    • Delayed
    • T cells and cytokines
    • poison ivy etc
    • tissue transplantation
  8. Leokotriene casues what in inflammatroy respons e
    • constriction of bronchioles¬†
    • airway obstruction mcous build up
  9. coticosteroids inhibit
    T cells
  10. anithistamines block
    receptors
  11. cromolyn blocks
    degranulation
  12. allergy shots do what
    • provoke IgG response
    • IgG binds antigen
    • IgE resonse reduced
  13. type o blood makes anit
    a and b
  14. ab blood makes which antibody
    neither a or b
  15. a blood makes anti
    B
  16. B blood type makes
    Anti A
  17. Rhogam is
    Rhogamis anti D (passive immunity) that is given to RhD-mothers and will destroy any RhD+ fetal cells that cross placenta which prevents maternal antibody formation. It is given at 28 weeks and again at delivery to prevent fetus hemolytic disease.
  18. fetal hemolytic disease =
    • •If mother is RhD –with an RhD + fetus, fetal cells may cross the placenta.
    • •Mother makes anti-RhD, IgGthat crosses placenta and lyses baby cellsAnti
  19. Urushinol =
    • Urushinolin plant sap combines with skin proteins
    • trigger t cell response
    • subsequent exposure results in inflammation
  20. SCID
    no B or T cells
  21. Agammaglobulinemia =
    no B cell defense
  22. DiGeorge Syndrome =
    no T cell defense

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