What is the function of a plasma cell?
A. It is a "memory" cell that remains dormant until activated by macrophages to se-crete colony-stimulating factor on re-exposure to the same invader.
B. This unsensitized B lymphocyte becomes sensitized on exposure to a new antigen.
C. It secretes specific antibodies in response to the presence of a specific antigen.
D. It secretes specific antigens in response to the presence of a specific antibody.
C
Plasma cells are active, sensitized B lymphocytes that are capable of secreting specific antibodies directed against a specific antigen.
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