Anaphylactic shock is due to

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(D) Anaphylactic shock is a severe,potentially life-threatening allergic reaction that occurs rapidly after exposure to an allergen.It is triggered by

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(D) Anaphylactic shock is a severe,potentially life-threatening allergic reaction that occurs rapidly after exposure to an allergen.It is triggered by the massive release of chemicals,primarily histamines,from mast cells and basophils.This systemic release leads to widespread vasodilation,a sudden drop in blood pressure,and constriction of airways,which are all manifestations of an acute allergic response.Therefore,it involves an allergic reaction,the release of inflammatory mediators like histamines,and can be exacerbated by toxic components associated with the allergen.

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