Anaphylactic shock results from vasodilation of blood vessels, along with fluid loss from the blood, triggered by
A)a type I allergic reaction.
B)a type II allergic reaction.
C)a type III allergic reaction.
D)a type IV allergic reaction.
E)Hodgkin disease.

Question

Quizplus · Accepted Answer

Anaphylactic shock is a severe and potentially life-threatening allergic reaction that results from a type I hypersensitivity reaction, also known as an immediate hypersensitivity reaction. This reaction is triggered when the immune system overreacts to an otherwise harmless substance, such as an allergen, and releases large amounts of histamine and other mediators. This causes vasodilation of blood vessels, increased permeability of capillaries, and fluid loss from the blood, which can lead to a rapid drop in blood pressure and severe respiratory distress.

Anaphylactic Shock Results from Vasodilation of Blood Vessels, Along with Fluid