Chapter 6 Patho

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Anonymous
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121447
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Chapter 6 Patho
Updated:
2011-12-07 00:39:00
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Self Defense
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Self-Defense
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  1. Antigenicity depends on ?
    chemical structure, foreignness, complexity
  2. APC's are:
    marcophages (antigen presenting )
  3. When the anigen binds to its appropriate antibody:
    aggluntination, phagocytosis, and antigen neutralization may all occur
  4. Antibodies are produced by:
    plasma cells
  5. An immunoglobulin contains?
    two heavy and two light polypeptide chains
  6. The antibody class having the highest concentration in the blood is :
    IgG
  7. Which antibody is matched with its appropriate role
    IgM/ first to challenge the antigen
  8. The primary immune response involves
    a latent period followed by peak antibody production
  9. Which cells are phagocytic??
    Marcophages
  10. When a child develops measels and aquires an immunity to subsequent infections, the immunity is:
    aquired and active
  11. What is adaptive immunity ?
    is a state of protection, primarily against infectious agents, that differs from infalmmation by being slower to develop, being more specific, and having memory that makes it much longer lived.
  12. Natural Immunity and Aquired:
    innate resistance (natural) and gained from birth (aquired)
  13. What are antigens?
    are molecules that react with components of the immune response , such as antibodies and receptors on B and T cells. Most antigens can induce immune response, and thus the antigens are also immunogens
  14. What is self-tolerance?
    are antigens on an individual's own cells in which the immune system does not normally recognize as immunogenic
  15. What is Humoral immune response:
    is provided by molecules (antibodies) produced by B cells.
  16. What are antibodies?
    they are plasma glycoprotiens that can be classified by chemical structure and biologicactivity as IgG, IgA, IgM, IgE, IgD
  17. T-Cells?
    are responsible for the cell-mediated immune responses
  18. Types of T-Cells?
    cytotoxic T cells (Tc), regulatory T cells, including T helper (Th), and T suppression (Ts), and memory cells
  19. How does a T Cell respond?
    they have antigen specific receptors that must see antigen presented on cell surgaces by special antigen-presenting molecules of the major histocompatibility complex (MHC)
  20. What depends on teh cell-mediated or humoral immune responses?
    thepopulation of Th cells

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