1.简单
What is the usual normal white cell count in adults?
- AAbout 150–400 × 109/L (150,000–400,000/mm3)
- BAbout 0.1–0.5 × 109/L (100–500/mm3)
- CAbout 50–80 × 109/L (50,000–80,000/mm3)
- DAbout 4–11 × 109/L (4,000–11,000/mm3)
2.简单
In the chain of infection, hand hygiene mainly breaks which link?
- AThe susceptibility of the host
- BThe reservoir of infection
- CThe infectious agent's ability to grow
- DThe mode of transmission
3.简单
What is the most reliable indicator of pain in a patient who can communicate?
- AThe patient's blood pressure
- BThe patient's heart rate
- CThe patient's own report
- DThe nurse's impression of their face
4.中等
Which advice is correct for a patient taking levothyroxine?
- ATake it on an empty stomach, usually before breakfast
- BTake it with a large meal to avoid nausea and stomach upset
- CTake it only on days when feeling tired
- DStop taking it once the symptoms improve
5.中等
Why is lactulose given to a patient with hepatic encephalopathy?
- ATo stop bleeding from varices
- BTo lower the blood glucose
- CTo reduce the absorption of ammonia from the gut
- DTo increase the liver's production of albumin
6.中等
Why are patients with atrial fibrillation often given anticoagulants?
- ATo convert the rhythm back to normal
- BTo lower the blood pressure
- CTo reduce the risk of stroke from clots in the atria
- DTo slow the heart rate directly and prevent palpitations
7.困难
A patient with new fast atrial fibrillation has chest pain, a blood pressure of 75/40 mmHg and is confused. What does this indicate?
- AA normal response to atrial fibrillation needing no action
- BAnxiety about the new diagnosis that will settle with reassurance and rest alone
- CA stable rhythm that can safely be reviewed at the next routine ward round
- DHaemodynamic instability needing urgent treatment, possibly electrical cardioversion
8.困难
A patient has a painful, punched-out ulcer on the toes, with a cold, pale foot and weak foot pulses. Which type of ulcer is most likely?
- AA burn
- BA venous ulcer
- CAn arterial ulcer
- DA pressure ulcer from bed rest
答案
- 1. D · About 4–11 × 109/L (4,000–11,000/mm3)
- 2. D · The mode of transmission
- 3. C · The patient's own report
- 4. A · Take it on an empty stomach, usually before breakfast
- 5. C · To reduce the absorption of ammonia from the gut
- 6. C · To reduce the risk of stroke from clots in the atria
- 7. D · Haemodynamic instability needing urgent treatment, possibly electrical cardioversion
- 8. C · An arterial ulcer
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