Passive immunity refers to...?

A. The prevention of infection by acquiring antibodies from outside the body. B The prevention of infection by the making of memory cells during an initial exposure. C. The production of blood-based antibodies by B-cells. D. The killing of body cells that don't belong by T-cells. E. The way antibodies mark... show more A. The prevention of infection by acquiring antibodies from outside the body.
B The prevention of infection by the making of memory cells during an initial exposure.
C. The production of blood-based antibodies by B-cells.
D. The killing of body cells that don't belong by T-cells.
E. The way antibodies mark pathogens for destruction.
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