A patient with chronic obstructive pulmonary disease asks why a prescribed corticosteroid is not expected to relieve sudden severe wheezing immediately. Which response is most accurate?
Correct answer: A. It reduces airway inflammation but is not a rapid rescue bronchodilator
- A. It reduces airway inflammation but is not a rapid rescue bronchodilator
- B. It works by increasing mucus thickness during an attack
- C. It prevents oxygen from entering the alveoli during wheezing
- D. It acts only by lowering the patient's blood pressure
Explanation
Corticosteroids reduce airway inflammation and help control exacerbations, but they do not rapidly relax bronchial smooth muscle. A prescribed rapid-acting bronchodilator is used for immediate relief of acute bronchospasm.
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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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50 free Cardiovascular and Respiratory Drugs MCQs from Nursing Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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