Multiple Choice
Why is phenylephrine useful when one is suffering from a cold?
A) It has anti-histamine activity.
B) It causes smooth muscle cells to dilate, allowing sinuses to drain.
C) It causes the cardiovascular system to relax allowing for better sleep.
D) It decreases blood flow in nasal passages, thereby decreasing mucous production.
E) It stimulates calcium uptake in nasal mucosal cells.
Correct Answer:
Verified
Correct Answer:
Verified
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