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

question 8

Multiple Choice

A nursing student asks why albuterol, which is selective for beta₂ receptors, causes an increased heart rate in some patients. How does 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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Definitions:

Experimental Group

In scientific research, the group of subjects who receive the treatment or condition that is being tested.

Special Instructions

Specific directions or orders given in particular situations to guide actions or procedures.

Memory Processes

The mechanisms by which information is encoded, stored, and retrieved in the brain, facilitating learning and remembering.

Control Group

In experimental research, a group of subjects that is not exposed to the treatment being tested, serving as a benchmark to measure the effects of that treatment.