Which of the Following Is NOT a Means by Which

Multiple Choice

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.