The Immunoglobulin Associated with Type I Hypersensitivity Is

Question

The immunoglobulin associated with Type I hypersensitivity is
A)IgG.
B)IgA.
C)IgM.
D)IgE.
E)IgD.

Accepted Answer

Type I hypersensitivity is an immediate hypersensitivity reaction and is mediated by IgE antibodies. These antibodies bind to mast cells and basophils, triggering the release of inflammatory mediators such as histamine, which leads to the characteristic symptoms of Type I hypersensitivity reactions, such as itching, swelling, and bronchoconstriction.