Which of the Following Is NOT a Means by Which

question 12

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.

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