Which statement best describes why an individual's antibodies and T cells do not attack their own cells?
A) Opsonins keep leukocytes from binding to the B and T cells
B) B and T cells mature in the bone marrow and thymus; their antigen receptors are, in effect, tested for their potential to recognize and react against self.
C) B and T cells develop into plasma cells which dissolve automatically into the plasma, thus they are not recognized as foreign.
D) Interferons interfere with antibodies trying to attach to the B and T cells
E) B and T cells have about 100,000 antigen receptors and so they can match anything in the human body.
Answer: B) B and T cells mature in the bone marrow and thymus; their antigen receptors are, in effect, tested for their potential to recognize and react against self.
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