All of the Following Are Characteristics of Anaphylaxis Except

Multiple Choice

All of the following are characteristics of anaphylaxis except

A) the first exposure does not always lead to a reaction.
B) IgE antibodies are produced.
C) symptoms include capillary dilation, airway constriction, pain and itching.
D) helper T cells are destroyed.
E) sensitized mast cells and basophils are stimulated upon each exposure to an allergen.