The process by which the body actively produces cells and mediators that result in the destruction of the antigen is called:
a. passive immunity.
b. active immunity.
c. autoimmunity.
d. recognition of self as nonself.
B
Active immunity is a term used when the body actively produces cells and mediators that result in the destruction of the antigen. Passive immunity is that which is transferred from another person (e.g., maternal antibodies transferred to the newborn through the placenta). In autoimmunity, the body abnormally sees self as nonself and an immune response is activated against those tissues.
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