A client is prescribed an antihistamine for an allergic reaction. The client asks, "Why am I getting this? What is a histamine anyway?" How can the nurse most accurately describe the action of histamine in the body?

Question

Quizplus · Accepted Answer

Rationale 1: Histamine is responsible for vasodilation and increased vascular permeability.
Rationale 2: Histamine does not stimulate platelet production.
Rationale 3: Histamine does not stimulate white blood cell production.
Rationale 4: Histamine does not stimulate red blood cell production.

A Client Is Prescribed an Antihistamine for an Allergic Reaction