A patient with thick tenacious sputum is prescribed nebulised acetylcysteine. Which effect should the nurse explain?
Correct answer: A. It breaks down mucus and makes secretions easier to clear
- A. It breaks down mucus and makes secretions easier to clear
- B. It suppresses the cough reflex and dries respiratory secretions
- C. It relaxes bronchial smooth muscle for immediate relief
- D. It reduces airway inflammation by replacing corticosteroids
Explanation
Acetylcysteine is a mucolytic that breaks disulfide bonds in mucus, reducing its viscosity and helping the patient expectorate. It is not primarily a cough suppressant, bronchodilator or corticosteroid.
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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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