Pseudoephedrine Is a Vasoconstriction Drug That Is Commonly Used in Cold

question 36

Multiple Choice

Pseudoephedrine is a vasoconstriction drug that is commonly used in cold medications to alleviate nasal congestion.Its mechanism of action most likely involves

• A) contraction of arteriole muscle cells.
• B) relaxation of arteriole muscle cells.
• C) swelling of red blood cells.
• D) closing of the valves that lead from capillaries to arterioles.
• E) formation of additional capillaries when needed.

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