Hypersensitivity Reactions
ModerateHigh-yieldPathology · General Pathology
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Hypersensitivity is an exaggerated or inappropriate immune response to an antigen (allergen, self-antigen, or microbe) that results in tissue injury rather than protection. The Gell and Coombs classification (Types I–IV) remains the backbone of NEET PG immunopathology, with Type II vs Type III distinctions and prototypical examples being among the highest-yielding facts. High-yield: Mnemonic for the four types — AC…
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