A patient with asthma asks why montelukast is prescribed at night. Which explanation is most accurate?
Correct answer: B. It reduces leukotriene-mediated airway inflammation
- A. It gives immediate relief during a severe attack
- B. It reduces leukotriene-mediated airway inflammation
- C. It directly dissolves mucus in the bronchi
- D. It replaces the need for an inhaled reliever
Explanation
Montelukast blocks leukotriene receptors and helps prevent bronchoconstriction and inflammation in asthma. It is not a rescue medicine, so sudden wheezing still requires the prescribed rapid-acting bronchodilator.
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About Cardiovascular and Respiratory Drugs
Cardiovascular and respiratory drugs include antihypertensives, diuretics, antianginal agents, antiarrhythmics, cardiac glycosides, anticoagulants, bronchodilators, corticosteroids and cough medicines. Questions focus on mechanisms, indications, contraindications, toxicity and monitoring, especially the difference between drugs that reduce blood pressure, improve cardiac output or open narrowed airways.
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