1.Easy
What is the usual target oxygen saturation (SpO2) for most acutely ill adults without risk of hypercapnia?
- A100% at all times
- B94–98%
- C80–84%
- D88–92% for everyone
2.Easy
What is the normal pH range of arterial blood?
- A7.55–7.65
- B6.85–6.95
- C7.35–7.45
- D7.00–7.10
3.Easy
Why is a lower oxygen saturation target (88–92%) often used for patients with severe COPD?
- AOxygen is flammable only in COPD
- BHigh-flow oxygen can cause carbon dioxide retention in some of these patients
- COxygen worsens their chest pain
- DTheir lungs cannot absorb any oxygen at all
4.Medium
A patient on insulin reports nightmares, night sweats and morning headaches. What should be suspected?
- ARaised intracranial pressure
- BNight-time hypoglycaemia
- CHyperthyroidism
- DA urinary tract infection
5.Medium
A patient's abdomen is rigid and board-like, and they lie very still because movement worsens the pain. What does this suggest?
- AConstipation
- BUrinary tract infection
- CPeritonitis
- DIndigestion
6.Medium
Which of these is a non-drug measure that can help relieve pain?
- AKeeping the patient awake all night
- BRestricting visitors completely
- CTelling the patient that the pain is not real
- DRepositioning and distraction
7.Hard
A patient is admitted with suspected meningococcal disease. Which infection control measure is usually needed?
- AIsolation only after the patient has gone home
- BNo precautions, because it is not contagious
- CAirborne precautions with a negative-pressure room for the whole hospital stay
- DDroplet precautions until 24 hours of effective antibiotics have been given
8.Hard
Why must a unit of red cells be transfused within the set time limit (commonly four hours) after it leaves controlled cold storage?
- AThe blood group of the cells changes after a few hours
- BThe bag stops dripping after four hours
- CThe red cells break down and turn into plasma
- DBacteria can grow in the blood at room temperature
Answer key
- 1. B · 94–98%
- 2. C · 7.35–7.45
- 3. B · High-flow oxygen can cause carbon dioxide retention in some of these patients
- 4. B · Night-time hypoglycaemia
- 5. C · Peritonitis
- 6. D · Repositioning and distraction
- 7. D · Droplet precautions until 24 hours of effective antibiotics have been given
- 8. D · Bacteria can grow in the blood at room temperature
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