Montelukast is classified as which drug class?

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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

Montelukast is classified as which drug class?

Explanation:
Montelukast blocks leukotriene signaling by antagonizing the CysLT1 receptor for LTD4, so it’s classified as a leukotriene inhibitor/antagonist. Leukotrienes promote bronchoconstriction, mucus production, and airway inflammation in asthma, so blocking their action helps prevent symptoms and is used as maintenance therapy. It is not a beta-adrenergic agonist, which cause bronchodilation by stimulating β2 receptors; it’s not a corticosteroid, which reduce inflammation by altering gene expression; and it’s not a mast cell stabilizer, which prevent degranulation.

Montelukast blocks leukotriene signaling by antagonizing the CysLT1 receptor for LTD4, so it’s classified as a leukotriene inhibitor/antagonist. Leukotrienes promote bronchoconstriction, mucus production, and airway inflammation in asthma, so blocking their action helps prevent symptoms and is used as maintenance therapy. It is not a beta-adrenergic agonist, which cause bronchodilation by stimulating β2 receptors; it’s not a corticosteroid, which reduce inflammation by altering gene expression; and it’s not a mast cell stabilizer, which prevent degranulation.

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