A Type IV Hypersensitivity Reaction Causes Which Result

question 17

Multiple Choice

A type IV hypersensitivity reaction causes which result?

• A)Antibodies coating mast cells by binding to receptors that signal its degranulation, followed by the discharge of preformed mediators
• B)Antibodies binding to soluble antigens that were released into body fluids and the immune complexes being deposited in the tissues
• C)Lymphokine-producing Th1 cells directly attacking and destroying cellular targets
• D)Antibodies binding to the antigen on the cell surface

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