Steven-Johnson syndrome is associated with which type of hypersensitivity reaction?

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Immediate hypersensitivity (Type I)Antibody-mediated cytotoxic hypersensitivity (Type II)Immune complex-mediated hypersensitivity (Type III)Delayed-type hypersensitivity (Type IV)None of the above

Explanation

Steven-Johnson syndrome is primarily linked to Type III hypersensitivity reactions, which involve immune complex deposition leading to tissue damage. Type I reactions are immediate allergic responses, Type II involve antibody-mediated cell destruction, and Type IV are delayed hypersensitivity reactions mediated by T cells.