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St John NZ EMT Pharmacology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the main action of salbutamol?✔✔ Bronchodilation
What is the route of administration for GTN spray?✔✔ Sublingual
What condition is GTN primarily used to treat in the pre-hospital setting?✔✔ Chest pain due to cardiac ischemia
What is a common side effect of GTN administration?✔✔ Headache
Why should GTN not be given if a patient’s systolic BP is below 100 mmHg?✔✔ It may cause dangerous hypotension
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What is the action of ipratropium bromide?✔✔ Bronchodilation through anticholinergic effect
What is the maximum number of GTN doses an EMT can give under St John NZ protocol?✔✔ Three
How long should you wait between doses of GTN spray?✔✔ 3 to 5 minutes
What is the mechanism of action of aspirin?✔✔ Inhibits platelet aggregation
Why is aspirin used in suspected myocardial infarction?✔✔ To reduce blood clot formation in coronary arteries
What is the standard dose of aspirin for a cardiac patient?✔✔ 300 mg orally
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What is a contraindication to aspirin administration?✔✔ Known severe allergy to aspirin
What is the main therapeutic effect of paracetamol?✔✔ Analgesia and antipyresis
What is the correct route for administering oral glucose gel?✔✔ Buccal
When should you give oral glucose to a patient?✔✔ When the patient is conscious and has low blood sugar
What is the usual dose of oral glucose gel?✔✔ 10 to 20 grams
Why must a patient be alert before receiving oral glucose?✔✔ To prevent airway compromise or aspiration
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