Which of the following is NOT characteristic of immediate hypersensitivity?
A)It is mediated by T cells.
B)It involves IgE antibodies.
C) It occurs within 20 minutes of exposure to the allergen.
D) It usually involves allergic responses to inhaled or ingested allergens.

Question

Quizplus · Accepted Answer

Immediate hypersensitivity is not mediated by T cells, it is primarily mediated by IgE antibodies. T cells are not directly involved in the immediate reaction but may play a role in delayed hypersensitivity reactions.

Which of the Following Is NOT Characteristic of Immediate Hypersensitivity