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Which of the following pairs of statements are true regarding the immune system Primary organs of the...

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Biology

  1. Which of the following pairs of statements are true regardingthe immune system
  1. Primary organs of the immune system are generative. The thymusgives rise to both B and T cells
  2. Primary organs of the immune system are generative. Maturationof both B and T cells occur in the bone marrow.
  3. B cells originate in the bone marrow. T cells originate in thethymus
  4. Maturation occurs in the secondary lymph organs. T and B cellsmature in the spleen or lymph node depending on where they areneeded
  5. Primary organs of the immune system are generative.Antigen-lymphocyte interactions occur in the spleen for systemicpathogens
  1. Which of the following represent general function(s) associatedwith EVERY cytokines
  1. All of the answers are correct
  2. Direct chemotaxis
  3. Hormone like factors that coordinate immune system efforts
  4. Promote differentiation of hematopoietic stem cells
  5. Small proteins that function in cell signaling
  1. The toxic lipopolysaccharides produced by most Gram-negativebacteria is classify as what type of toxin
  1. A/B toxin
  2. Exotoxin
  3. Cytolytic toxin
  4. Enterotoxin
  5. Endotoxin

Answer & Explanation Solved by verified expert
3.8 Ratings (658 Votes)
1C B cells originate in the bone marrow T cells originate in the thymus EPrimary organs of the immune system are generative Antigenlymphocyte interactions occur in the spleen for systemic pathogens B and T lymphocytes are produced by the multipotent hematopoietic stem cells present in bone    See Answer
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