Which of the following agents would be most appropriate to use as a bronchodilator in a client with heart disease?
a. terbutaline (Brethine) c. epinephrine
b. isoproterenol (Isuprel) d. propranolol
ANS: A
Feedback
A Correct: Terbutaline exerts a more selective action on beta-2 receptors.
B Incorrect: Isoproterenol exerts action on both beta 1 and beta-2 receptors.
C Incorrect: Epinephrine exerts action on both beta 1 and beta-2 receptors.
D Incorrect: Propranolol is a beta-adrenergic blocking agent.
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