Administration of a nonselective beta-antagonist will most likely result in:
A) tachycardia and diaphoresis.
B) increased cardiac output.
C) bronchoconstriction and inhibited glycogenolysis.
D) bradycardia and some bronchodilation.

Question

Quizplus · Accepted Answer

Nonselective beta-antagonists block both β1 and β2 adrenergic receptors. Blocking β1 receptors affects the heart, leading to decreased heart rate and cardiac output, not increased. Blocking β2 receptors leads to bronchoconstriction and inhibited glycogenolysis, as β2 activation normally causes bronchodilation and promotes glycogenolysis.

Administration of a Nonselective Beta-Antagonist Will Most Likely Result In