Which of the following statements about type I reactions is FALSE?
A) The symptoms are due to histamine.
B) They involve IgE antibodies.
C) Antibodies bind to mast cells and basophils.
D) They involve helper T cells.
E) The symptoms occur soon after exposure to an antigen.

Question

Quizplus · Accepted Answer

Type I hypersensitivity reactions primarily involve IgE antibodies, mast cells, and basophils, and are characterized by the rapid release of histamine and other mediators. Helper T cells are not directly involved in the immediate allergic response, making statement D false.

Which of the Following Statements About Type I Reactions Is