A Humoral Immune Response

A humoral immune response

A) is mediated by soluble lymphokine molecules released by B cells into the serum or other body fluids.
B) is invoked principally in response to intracellular or viral infections.
C) depends on antibodies bound to cell membranes of B memory cells and B plasma cells.
D) is most effective against extracellular phases of bacterial and viral infections.
E) is induced against intracellular parasitic infections.