Which of the following is NOT a means by which type II hypersensitivity reactions occur?
A) IgE binding to Fc ? RI on mast cells.
B) IgM binding to cell-surface antigens, leading to complement fixation on the cell surface.
C) Cytotoxic cells with Fc receptors for antibodies bound to the surface of a cell, leading to cytotoxic killing.
D) Antibody-antigen complexes that form opsonins, leading to phagocyte-driven cell killing.
E) All of the answers are associated with type II hypersensitivity reactions.
Correct Answer:
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