All of the following are considered examples of type I hypersensitivity EXCEPT
A) pollen allergies.
B) penicillin allergic reactions.
C) asthma.
D) transplant rejections.
E) dust allergies.

Question

Quizplus · Accepted Answer

Type I hypersensitivity involves IgE-mediated reactions to allergens, resulting in the release of histamine and other mediators from mast cells and basophils. Transplant rejections are not considered type I hypersensitivity reactions. They involve a different mechanism of immune response.

All of the Following Are Considered Examples of Type I