NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is a common side effect of Beta-2 agonists used for COPD?

Diarrhea
Dry mouth
Tachycardia
Weight gain

The correct answer is: Tachycardia

Beta-2 agonists are commonly used in the treatment of COPD to help relax the muscles around the airways, making breathing easier. One common side effect of Beta-2 agonists is tachycardia, which refers to an increased heart rate. This occurs because Beta-2 agonists can also act on beta-1 receptors in the heart, leading to an increase in heart rate. Therefore, tachycardia is the correct answer as a common side effect of Beta-2 agonists used for COPD. Diarrhea, dry mouth, and weight gain are not typically associated with the use of Beta-2 agonists for COPD.