Which event releases the chemical mediators?
A)degranulation
B)binding of allergen to adjacent IgE binding sites on mast cells and basophils
C)binding of IgE by the Fc region to mast cells and basophils
D)Histamine acts on smooth muscle.
E)Prostaglandins cause vasodilation and increased vascular permeability.

Question

Quizplus · Accepted Answer

Degranulation is the process by which mast cells and basophils release chemical mediators, such as histamine, into the surrounding tissue.

Which Event Releases the Chemical Mediators