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5 Written questions

5 Matching questions

  1. Helper T (Th) cells do not
  2. _____ are secreted by cells infected with viruses, alerting neighboring cells and protecting them from becoming infected.
  3. Basophils of the blood help to get defensive leukocytes to the site quickly by releasing an anticoagulant called _____ and a vasodilator called
  4. All of these belong to the second line of defense except
  5. Helper T (Th) cells recognize antigens when they are bound to a
  1. a major histocompatibility complex (MHC) protein
  2. b heparin; histamine
  3. c Interferons
  4. d the gastric juices
  5. e secrete fever-producing chemicals

5 Multiple choice questions

  1. Neutrophils
  2. the lymphatic tissues
  3. Helper T (Th) cells
  4. thymus
  5. type IV (delayed) hypersensitvity

5 True/False questions

  1. Each immunoglobin (Ig) has ____ antigen-bonding sitesfever


  2. Memory T cells can live up tosecrete fever-producing chemicals


  3. These are a group of proteolytic enzymes secreted by natural killer (NK) cells.granzymes


  4. This is the correct sequence of events in the humoral immune responsemargination


  5. Cytotoxic T (Tc) cells are like natural killer (NK) cells because they bothmajor histocompatibility complex (MHC) protein