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5 Written questions

5 Matching questions

  1. Cytotoxic T (Tc) cells are like natural killer (NK) cells because they both
  2. This organ shows a remarkable degree of degeneration ( involution) with age.
  3. _____ constitutes about 80% of circulating antibodies in plasma
  4. Helper T (Th) cells recognize antigens when they are bound to a
  5. A pyrogen is a substance that causes
  1. a major histocompatibility complex (MHC) protein
  2. b thymus
  3. c IgG
  4. d fever
  5. e secrete granzymes and perforin

5 Multiple choice questions

  1. neutrophils and macrophages; opsonization
  2. the thymus
  3. margination
  4. Helper T (Th) cells
  5. T cells

5 True/False questions

  1. autoimmune diseases are disorders in which the immune system fails to distinguish _____ from foreign onesnatural killer (NK) cells


  2. _____ are the largest of the lymphatic vessels and they empty into the _____collecting ducts; subclavian veins


  3. ____ are antimicrobial proteinsdifferentiate into memory antibodies, which upon reexposure to the same pathogen would mount a quicker attack


  4. Helper T (Th) cells do notsecrete fever-producing chemicals


  5. This is the only lymphatic organ with afferent lymphatic vesselslymph node