Type I Hypersensitivity is Caused by the Release of Vasoactive

Question

Type I hypersensitivity is caused by the release of vasoactive products from mast cells coated with
A) IgA.
B) IgE.
C) IgG.
D) IgM.

Accepted Answer

Type I hypersensitivity is also known as immediate hypersensitivity and is caused by the release of vasoactive products from mast cells coated with IgE antibodies. IgA, IgG, and IgM are not involved in Type I hypersensitivity reactions.