A client diagnosed with asthma asks the nurse why an albuterol (Proventil)inhaler is better than isoproterenol (Isuprel).The nurse's response should be based on the physiologic concept that isoproterenol affects:

Question

Quizplus · Accepted Answer

Isoproterenol affects both beta-1 and beta-2 receptors, leading to a broader range of effects including heart rate increase (beta-1) and bronchodilation (beta-2), whereas albuterol is more selective for beta-2 receptors, making it a better choice for asthma as it primarily targets the lungs with fewer cardiac side effects.

A Client Diagnosed with Asthma Asks the Nurse Why an Albuterol