A Nursing Student Asks Why Albuterol,which Is Selective for Beta₂

question 7

Multiple Choice

A nursing student asks why albuterol,which is selective for beta₂ receptors,causes an increased heart rate in some patients. How should the nurse respond?

• A) "Adrenergic agonists can lose their selectivity when given at higher doses."
• B) "Bronchodilation lowers blood pressure, which causes a reflex tachycardia."
• C) "Some patients metabolize the drug differently and have unusual side effects."
• D) "Systemic effects are intensified with inhaled doses."

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