A substance that provokes an immune response is called an
A)allergen.
B)antihistamine.
C)antibody.
D)antigen.
E)allopath.

Question

Quizplus · Accepted Answer

An antigen is a substance that provokes an immune response, which leads to the production of antibodies. Allergens can also provoke an immune response, but this response specifically involves the release of IgE antibodies and the production of histamine. Antihistamines are medications used to treat allergic reactions by blocking histamine receptors. Antibodies are proteins produced by the immune system in response to antigens. Allopath is not a term related to immunology or the immune system.

A Substance That Provokes an Immune Response Is Called an