Pharmacology LPN Practice Exam

Short-acting beta-agonists like albuterol are used to provide rapid relief during acute bronchospasm. They quickly relax airway smooth muscle by stimulating beta-2 receptors, opening the airways within minutes and easing symptoms such as wheezing and shortness of breath.

Key teaching includes proper inhaler technique, often with a spacer to improve medication delivery and reduce oropharyngeal irritation. Patients should know how many puffs to take and how often, and should not exceed the prescribed use, since overuse can lead to tachycardia, tremor, or reduced effectiveness over time.

This medication works as a rescue option for immediate relief and is not meant for long-term control or prevention, does not slow disease progression, and does not cure asthma. If symptoms persist or controller therapy is indicated, additional or alternative treatments should be discussed with a clinician.