A patient prescribed guaifenesin for thick respiratory secretions asks how to improve its effect. Which instruction is appropriate?
Correct answer: B. Increase fluids if not medically restricted
- A. Restrict fluids to prevent airway swelling
- B. Increase fluids if not medically restricted
- C. Take it only when the cough is completely dry
- D. Avoid coughing after taking the medicine
Explanation
Guaifenesin is an expectorant that helps loosen respiratory secretions, and adequate fluids support this effect. The patient should cough out loosened mucus rather than suppressing a productive cough, unless fluid restriction is prescribed.
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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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