1.简单
Which finding on abdominal examination suggests an abdominal aortic aneurysm?
- AA tender lump in the right iliac fossa
- BLoud, high-pitched bowel sounds
- CA dull area that shifts when the patient turns
- DA pulsating mass around the umbilicus
2.简单
哪项血液检查用于监测华法林治疗?
- A活化部分凝血活酶时间
- B抗 Xa 水平
- C血小板计数
- DINR(国际标准化比值)
3.简单
What does a positive tuberculin skin test or interferon-gamma release assay show?
- AActive, infectious TB of the lungs that needs isolation now
- BThat the patient has never met TB
- CComplete, lifelong immunity to TB after a previous vaccine
- DInfection with TB at some time, not necessarily active disease
4.中等
When should an adult with cystic fibrosis take pancreatic enzyme capsules?
- AOnly when they have diarrhoea
- BWith all meals and snacks that contain fat
- COnly at bedtime
- DOnce a day on waking, at least an hour before any food
5.中等
A patient taking simvastatin drinks a large glass of grapefruit juice every morning. Why is this a concern?
- AIt stops the statin from being absorbed from the gut at all
- BIt causes the cholesterol level to rise sharply
- CIt raises statin levels and the risk of muscle damage
- DIt turns the statin into a blood thinner
6.中等
Why is a shock for cardioversion synchronised with the QRS complex?
- ATo avoid delivering the shock during the T wave
- BTo keep the pads from burning the skin
- CTo make the shock less painful for the patient
- DTo allow the use of a lower battery charge
7.困难
A patient with an inferior myocardial infarction develops complete heart block with a heart rate of 38/min. What is the most likely reason?
- AThe left anterior descending artery supplies the SA node only
- BThe right coronary artery usually supplies the AV node
- CInferior infarcts always destroy the bundle of His permanently
- DHeart block is caused by the thrombolytic drug
8.困难
After a faulty gas heater was found at home, a patient has headache, nausea and confusion. SpO₂ is 99% on air. What is the priority treatment?
- AParacetamol (acetaminophen) and observation only
- BHigh-concentration oxygen via a non-rebreather mask
- COxygen at 1 L/min via nasal cannula
- DReassurance, because the oxygen saturation is normal
答案
- 1. D · A pulsating mass around the umbilicus
- 2. D · INR(国际标准化比值)
- 3. D · Infection with TB at some time, not necessarily active disease
- 4. B · With all meals and snacks that contain fat
- 5. C · It raises statin levels and the risk of muscle damage
- 6. A · To avoid delivering the shock during the T wave
- 7. B · The right coronary artery usually supplies the AV node
- 8. B · High-concentration oxygen via a non-rebreather mask
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