Question

the nurse understands that ______ is released during allergic reactions. multiple choice histamine lymph antigens antibodies

Explanation:

During allergic reactions, mast - cells and basophils release histamine which causes symptoms like itching, swelling, etc. Lymph is part of the immune system's fluid, antigens trigger immune responses, and antibodies are produced by the immune system to fight antigens, but they are not released during allergic reactions in the way histamine is.

Answer:

A. histamine