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5 Written questions

5 Matching questions

  1. 15. ______ are secreted by cells infected with viruses, alerting neighboring cells and protecting them from becoming infected.
  2. 46. The human immunodeficiency virus (HIV) targets mainly
  3. 20. Basophils of the blood help to get defensive leukocytes to the site quickly by releasing an anticoagulant called _____ and a vasodilator called _____.
  4. 13. _____ employ a "respiratory burst" to produce bactericidal chemicals such as hydrogen peroxide (H202) and hypochlorite (HC1O).
  5. 41. This is the correct sequence of events in the humoral immune response.
  1. a helper T cells
  2. b interferons
  3. c antigen recognition -- antigen presentation -- clonal selection -- differentiation -- attack
  4. d neutrophils
  5. e heparin; histamine

5 Multiple choice questions

  1. impaired use
  2. secrete fever-producing chemicals
  3. the lymphatic node pump
  4. lymph node
  5. the gastric juices

5 True/False questions

  1. 33. All of the following can act as antigen-presenting cells exceptcytotoxic T cells


  2. 37. _______ participate in both nonspecific resistance and immune responseinterferons


  3. 50. Autoimmune diseases are disorders in which the immune system fails to distinguish _____ from foreign ones.self antigens


  4. 3. Special lymphatic vessels called lacteals absorb dietary _____ that are not absorbed by the blood capillaries.lipids


  5. 10. Removal of the _______ will be the most harmful of all for a one-year-old child.]thymus


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