Chapter 22: The Lymphatic System And Immunity

24 July 2022
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question
What is NOT a function of the lympatic and immune system?
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maintaining water homeostasis in the body
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What is the major difference between lymph and interstitial fluid?
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location
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What is not considered an organ of the immune system?
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the pancreas
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The skeletal muscle and respiratory pumps are used in the...
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lymphatic, immune, and cardiovascular systems
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Which organ produces a hormone that promotes maturation of T cells?
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thymus
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Which is a function of the spleen?
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removes worn out blood cells
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Which provides non-specific cellular disease resistance mechanism?
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macrophages
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Which anti-microbial substances reduce viral replication ( in uninfected cells)
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interferons
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Which anti-microbial substances promote cytolysis, phagocytosis, and inflammation?
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complement proteins
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Whcih is NOT a sign of inflammation?
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mucus production
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When B and T cells are fully developed and mature, they are described as being ...
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immunocompetent
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Which of the following induces the production of a specific antibody?
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Antigen
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Which class of cells includes macrophages, B cells and dendritic cells?
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Antigen presenting cells
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To become activated, _______ requires being bound to a foreign antigen AND simultaneous costimulation?
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T Cell
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Which class of antibodies is mainly found in sweat, tears, breast milk, and GI secretions?
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IgA
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Which action makes microbes more susceptible to phagocytosis?
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opsonization
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The inability of the immune system to protect the body from a pathogen causes....
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immunodeficiency diseases
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An acute allergic response can lead to...
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anaphylactic shock
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Natural exposure to an infectious agent leads to.....
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Active immunity
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Which cells are part of the body's second line of defense?
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natural killer cells
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Which cells are most variable in the immune system?
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Lymphocyte
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The primary response will peak how may days after an exposure?
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10-17 days
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Which type of immunity defends against any type of invader?
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nonspecific
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Which type of adaptive immunity will result from intravenous injection of immunoglobulins?
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artificially acquired passive immunity
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Which type of adaptive immunity will result from a mother-to-baby IgA transfer via breast feeding?
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naturally acquired passive immunity
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Natural passive immunity is associated with...
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transfer of IgA from mother to fetus
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Which cells increase the permeability of blood vessels by releasing histamine?
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mast cells
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Which cell is considered to be the most important cell in the immune system?
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T helper Cells
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What is an effect of stress on the immune system?
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inhibition of the immune system
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Which cells of the immune system are the primary targets for the HIV virus?
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helper T cells
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Which type of allergic reaction is the most common type?
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type 1 (anaphylactic)
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Which of the following is an incorrect matching of immune system cells and their functions? A: macrophage-process and presentation of foreign antigens to T cells B: dendritic cell-process and presents antigens to T and B cells C: B cells-process and presents antigen to helper T cells D: plasma cell- produces and secretes antibodies E: All of these are correct
answer
C: B cells- process and presents antigen to helper T cells