Final answer:
Albuterol is the active ingredient in a quick-relief inhaler, acting as a beta2-agonist to relax bronchial muscles and aid in treating asthma.
Explanation:
Albuterol is the active ingredient contained within a quick-relief rescue inhaler. It is a beta2-agonist that works by increasing cyclic AMP levels to relax bronchial smooth muscles. Albuterol is effective in treating conditions like asthma by dilating the airways.
Learn more about Albuterol and quick-relief inhalers here:
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