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    Exam 9: The Autonomic Nervous System
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    Phenylephrine Functions as a _______ Because It Promotes Vasodilation in Nasal
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Phenylephrine Functions as a _______ Because It Promotes Vasodilation in Nasal

Question 34

Question 34

Multiple Choice

Phenylephrine functions as a _______ because it promotes vasodilation in nasal mucosa.


A) a1 agonist.
B) a1 antagonist.
C) b1 agonist.
D) b1 antagonist.

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