The nurse has held a unit conference on the specific immune response. Which statement by a colleague indicates an understanding of cell-mediated immune response? "Cell-mediated responses are
a. directed from humorally mediated B cells."
b. the direct attack of activated T-cell lymphocytes."
c. from cells matured in the bone marrow."
d. characterized by antigen-specific immunoglobulins."
B
Cell-mediated immunity (the mechanism of acquired immunity characterized by the dominant role of small T cells) results when T cells are activated by an antigen.
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