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.

Question

Quizplus · Accepted Answer

Helper T cells are not destroyed during anaphylaxis. In fact, they play a crucial role in initiating and orchestrating the allergic response by stimulating B cells to produce IgE antibodies and activating mast cells and basophils.

All of the Following Are Characteristics of Anaphylaxis Except