Which of the Following Statements About Histamines and Antihistamines Is

question 130

Multiple Choice

Which of the following statements about histamines and antihistamines is NOT true?

• A) A chief side effect of antihistamines is sedation.
• B) Stimulation of the H₁ histamine receptors plays a major role in the development of anaphylaxis.
• C) Although asthma attacks can be caused by allergens, antihistamines should not be administered as a treatment.
• D) There are antagonists for both H₁ and H₂ histamine receptor sites.

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Definitions:

Monopolistic Competition

A market framework where numerous sellers present unique products, granting them a certain level of influence over the market.

Allocative Efficiency

A state of resource allocation where it is not possible to make someone better off without making someone else worse off.

Productive Efficiency

A situation where an economy or firm produces goods at the lowest possible cost, utilizing all its resources efficiently without waste.

Monopolistic Competition

A market framework where multiple companies distribute products that are akin to each other but not copies, thus granting them a degree of power within the market.