The nurse is preparing to administer isoproterenol (Isuprel) to a patient who is experiencing an acute bronchospasm. The nurse understands that, because isoproterenol is a nonselective beta-adrenergic agonist, the patient will experience which effects?
a. Alpha- and beta-adrenergic agonist effects
b. Anticholinergic effects
c. A shorter duration of therapeutic effects
d. Cardiac and pulmonary effects
ANS: D
Non-selective beta-adrenergic agonists affect both beta1 and beta2 receptors, causing both tachycardia and bronchodilation. Alpha receptors are not affected.
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