Which of the following causes bronchodilation?
A) Epinephrine
B) Histamine
C) Parasympathetic nervous system
D) Drugs that block $\beta$2-adrenergic receptors

Name: Which of the following causes bronchodilation? A) Epinephrine B) Histamine C) Parasympathetic nervous system D) Drugs that block $\beta$2-adrenergic receptors
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Question

Quizplus · Accepted Answer

Epinephrine causes bronchodilation by stimulating $\beta$2-adrenergic receptors in the lungs, leading to relaxation of bronchial smooth muscles.

Which of the Following Causes Bronchodilation? A) Epinephrine B) Histamine β\betaβ

Which of the Following Causes Bronchodilation?
A) Epinephrine
B) Histamine $\beta$