Which Information Demonstrates an Accurate Understanding of the Process of Anaphylaxis

Which information demonstrates an accurate understanding of the process of anaphylaxis? Select all that apply.

A) Anaphylaxis is a type II allergic reaction to a substance.
B) In anaphylaxis, the antigen antibody reaction is dangerous.
C) The release of a chemical in the body causes reactions that are often systemic.
D) Anaphylaxis is responsible for a shock reaction that is a life-threatening event.
E) The full effect of anaphylactic shock is evident within 30 minutes of exposure.