Chris has very bad allergies,especially in the springtime,and is seeking help to overcome her allergic reactions.Why would an antihistamine help Chris be more comfortable?
A) It would counter the effects of the self-antigen reaction.
B) It would replace the allergen with a different chemical and thus reduce her symptoms.
C) It would reduce the antigen-antibody reactions caused by the allergen.
D) It would reduce the amount of human leukocyte antigen in her system.

Question

Quizplus · Accepted Answer

Antihistamines work by blocking the histamine receptors in the body, which are triggered by the antigen-antibody reactions caused by the allergen. This helps to reduce the symptoms Chris experiences during an allergic reaction.

Chris Has Very Bad Allergies,especially in the Springtime,and Is Seeking