Which of the following is true of the allergic response?
A) It is a normal, healthy, adaptive response to an allergen.
B) Upon the very first exposure to an allergen, an allergy sufferer will probably experience a runny nose, watery eyes, and mild wheezing.
C) Sufferers produce the IgE class of gamma globulins in response to allergens.
D) All of the above answers are true.

Question

Quizplus · Accepted Answer

The IgE class of gamma globulins are produced in response to allergens and bind to mast cells and basophils, triggering the release of histamines and other inflammatory mediators. Choices A and B are both incorrect, as the allergic response is not considered normal or healthy and symptoms may vary in severity from person to person or even from exposure to exposure.

Which of the Following Is True of the Allergic Response