A patient using a salbutamol inhaler reports tremor and a fast heartbeat after several repeated doses. Which explanation is most appropriate?
Correct answer: A. These effects can occur from beta2 agonist stimulation
- A. These effects can occur from beta2 agonist stimulation
- B. These effects prove that the airway is completely blocked
- C. These effects show that the medicine has caused pneumonia
- D. These effects mean the patient should take extra doses
Explanation
Salbutamol can cause tremor and tachycardia, especially when repeated doses are taken, because beta agonist stimulation affects skeletal muscle and the cardiovascular system. Worsening symptoms or frequent reliance on rescue inhalation require clinical review rather than extra unsupervised doses.
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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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