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5 Written questions

5 Matching questions

  1. An increase in white blood cell number at sites of injury, which is characteristic of inflammation, is called ______.
  2. T OR F: The mechanism of the "lethal hit" of cytotoxic T cells and NK cells involves a protein called perforin.
  3. Macrophages are derived from _____.
  4. What occurs if a T cell binds to an antigen and the T cell does not receive a co-stimulatory signal?
  5. Which of the following statements is a false or incorrect statement?
  1. a leukocytosis
  2. b T cells and B cells become fully immunocompetent when they bind with recognized antigens;
    The lymphoid organs where lymphocytes become immunocompetent are called primary lymph organs. All other lymphoid organs are referred to as secondary lymphoid organs;
    It is our genes, not antigens, that determine what specific foreign substances our immune system will be able to recognize and resist;
    AFTER BECOMING IMMUNOCOMPETENT, THE NAIVE T CELLS AND B CELLS ARE EXPORTED TO THE BONE MARROW WHERE THE ENCOUNTERS WITH ANTIGENS OCCUR
  3. c TRUE
  4. d The T cell enters a state of anergy.
  5. e monocytes

5 Multiple choice questions

  1. T helper cells
  2. helper T cell
  3. IgG
  4. FALSE
  5. T helper cells

5 True/False questions

  1. Delayed hypersensitivities ________.include allergic contact dermatitis

          

  2. Which class of MHC proteins presents exogenous antigens?One antigen may have many different antigenic determinants and may therefore cause the formation of more than one antibody.

          

  3. Pure antibody preparations specific for a single antigenic determinant are called ________ antibodies.monoclonal

          

  4. Which major class of lymphocytes become cytotoxic T cells?processed fragments of protein antigens displayed on surfaces of body cells

          

  5. Which of the following best describes an antibody's mode of action?Antibodies immobilize antigens and mark them for destruction.

          

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