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5 Written questions

5 Matching questions

  1. 39. Memory T cells can live up to
  2. 22. These are a group of proteolytic enzymes secreted by natural killer (NK) cells.
  3. 47. Most common allergies are the result of
  4. 31. The serum used for emergency treatment of snakebites stimulates
  5. 30. T cells undergo positive selection in the thymus, which means
  1. a they multiply and form clones of identical T cells
  2. b artificial passive immunity
  3. c decades
  4. d type 1 (acute) hypersensitivity
  5. e granzymes

5 Multiple choice questions

  1. lymph nodes
  2. differentiate into memory antibodies, which upon reexposure to the same pathogen would mount a quicker attack
  3. thymus
  4. 15%
  5. helper T cells

5 True/False questions

  1. 11. All these belong to the second line of defense exceptthe lymphatic node pump


  2. 7. Immune surveillance is a process in which _______ nonspecifically detect and destroy foreign cells and diseased host cells.natural killer (NK) cells


  3. 20. Basophils of the blood help to get defensive leukocytes to the site quickly by releasing an anticoagulant called _____ and a vasodilator called _____.antigen recognition -- antigen presentation -- clonal selection -- differentiation -- attack


  4. 2. Lymph is similar to blood plasma but very low inprotein


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


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