Allergic reactions are the result of
A)Inappropriate responses by the immune system to stimuli that are not antigens
B)Mast cells and IgE activity
C)Parasite infestation
D)Mast cells and IgE activity and parasite infestation
E)All of the choices are correct

Question

Quizplus · Accepted Answer

Allergic reactions are primarily caused by the activation of mast cells and the release of IgE antibodies. These reactions can be triggered by a variety of allergens, such as pollen, dust mites, pet dander, and certain foods. While parasitic infections can also elicit immunological responses, they are not the cause of allergic reactions. Choice A is partially correct, but not specific enough to fully describe the mechanism of allergic reactions. Choice D is incorrect, as parasite infestation is not a primary cause of allergic reactions.

Allergic Reactions Are the Result of