Which statement best describes a short-acting beta-agonist (SABA) in asthma management?

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Prepare for the Rasmussen Pharmacology Exam 3. This quiz includes multiple-choice questions with hints and explanations. Review essential pharmacological concepts and get ready for your exam!

Multiple Choice

Which statement best describes a short-acting beta-agonist (SABA) in asthma management?

Explanation:
A short-acting beta-agonist is a rapid-acting inhaled medication that relaxes airway smooth muscle to quickly open the airways. Because of its fast onset, it serves as rescue therapy for sudden bronchoconstriction or before exercise to prevent symptoms. It does not address the underlying inflammation of asthma, which is why daily controller therapies (like inhaled corticosteroids) are used separately. The statement isn’t about COPD in general—SABAs are also used as rescue inhalers in COPD patients. So the best description is that a SABA is a quick relief bronchodilator used for rescue, not for daily control.

A short-acting beta-agonist is a rapid-acting inhaled medication that relaxes airway smooth muscle to quickly open the airways. Because of its fast onset, it serves as rescue therapy for sudden bronchoconstriction or before exercise to prevent symptoms. It does not address the underlying inflammation of asthma, which is why daily controller therapies (like inhaled corticosteroids) are used separately. The statement isn’t about COPD in general—SABAs are also used as rescue inhalers in COPD patients. So the best description is that a SABA is a quick relief bronchodilator used for rescue, not for daily control.

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