topic4

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Author:
val0512
ID:
113525
Filename:
topic4
Updated:
2011-11-01 02:00:47
Tags:
immunity
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Description:
BIO204
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  1. A "foreign" molecule which can invoke the immune response is called a:
    ANTIGEN
  2. Active artificially acquired immunity is a result of:
    VACCAATION
  3. Cytotoxic T cells cause
    CELL LYSIS
  4. Saliva and lacrimal fluids contain this enzyme that destroys bacteria.
    Lysozyme
  5. Which cells stimulate both arms of the immune response?The immune cell that allows for subsequent recognition of an antigen, resulting in a secondary response, is called a(n):
    Helper T cells
  6. These molecules are secreted by leukocytes and macrophages and result in a fever.
    Pyrogens
  7. Lymphocytes with a CD8 protein marker become __________ when activated.
    cytotoxic T cells
  8. CD4 cells bind to which class of MHC proteins?
    class II
  9. dense irregular tissue protects the node and prevents the spread of infection
    CAPSULE
  10. divides the node internally into comparements poorly delveloped in man
    TRABECULE
  11. reticular fibers that support lymphcytes
    STROMA
  12. outer cortex contains folliclies with germial centers that conatin B lympocytes INNER cortex contain T lymphcyocte
    CORTEX
  13. contain B lymphocyte, T lymphocytesand plasma cells
    MEDULLARY CORTEX
  14. Llarge capillareis that contain marcophages which phagycoize debris/antigens in the lymph
    LYMPH SINUSES
  15. indented area where arteries veins and efferent lymphatics attach
    HILUS
  16. lymphocyte production
    removes aged eyrthrocytes
    stores iron & platlets
    erythropoisis in the fetus
    SPLEEN

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