Which of the following drugs would NOT be useful in treating an acute asthma attack?Salmeterol…

➤ How do short-acting bronchodilators like albuterol and levalbuterol work during an asthma attack?
Short-acting beta-2 agonists stimulate airway beta-2 receptors to relax smooth muscle and open bronchioles. They act within minutes to relieve wheeze, shortness of breath, and chest tightness. Levalbuterol is the active R-enantiomer and may produce fewer systemic side effects in some patients.