Which of the Following Statements About Using Antihistamines in the Treatment

question 22

Multiple Choice

Which of the following statements about using antihistamines in the treatment of anaphylaxis is TRUE?

• A) Antihistamines displace histamine, then block histamine receptors.
• B) Antihistamines block histamine receptors and reduce histamine release from mast cells and basophils.
• C) Blocking of H1 receptors results in mild vasoconstriction, while the blocking of H2 receptors results in bronchodilation.
• D) Antihistamines block H1 and H2 receptors and prevent further release of histamine from B and T cells.

---

Definitions:

Food for Peace

A U.S. government program designed to combat world hunger and malnutrition through the donation of U.S. agricultural products to foreign countries.

Farm Products

Goods that are produced by farming activities, including a wide range of food items as well as raw materials like cotton and wool.

Agricultural Sector

The segment of the economy involved in the production, processing, and distribution of agricultural products.

United States Agency

Refers to various federal agencies in the United States that are responsible for specific sectors or functions, influencing national and international policies.