1.简单
Drug names ending in "-olol", such as bisoprolol and atenolol, belong to which class?
- ACalcium channel blockers
- BBeta-blockers
- CLoop diuretics
- DACE inhibitors
2.简单
Which chamber of the heart receives blood from the superior and inferior venae cavae?
- AThe left atrium
- BThe left ventricle
- CThe right ventricle
- DThe right atrium
3.简单
对吸烟者来说,哪项干预最能有效延缓 COPD 的进展?
- A每日口服皮质类固醇
- B长期口服抗生素
- C长期家庭氧疗
- D戒烟
4.中等
一名服用华法林的患者开始每天吃大量菠菜和羽衣甘蓝沙拉。主要的担忧是什么?
- A食物与华法林之间没有相互作用
- B额外的维生素 K 可能使 INR 升高
- C服用华法林时,绿色蔬菜会损害肝脏
- D额外的维生素 K 可能使 INR 降低
5.中等
Why must intravenous potassium chloride never be given as a rapid push or undiluted?
- AA sudden high potassium level can cause cardiac arrest
- BIt immediately lowers the blood glucose to dangerous levels
- CIt works only when given by mouth
- DIt turns into solid crystals inside the vein and blocks it
6.中等
Which feature of a COPD exacerbation most suggests that antibiotics are needed?
- AA clear runny nose
- BAn increase in purulent (green or yellow) sputum
- CA mild sore throat that lasted for one day only
- DA dry, tickly cough with no sputum at all for a day
7.困难
A patient with pneumonia has a temperature of 39 °C, pain and a sinus tachycardia of 122/min. BP is normal. What is the best way to manage the heart rate?
- AArrange urgent electrical cardioversion to restore a normal rate
- BTreat the fever, pain and possible dehydration, then reassess
- CGive IV adenosine
- DGive a beta-blocker to bring the heart rate below 100/min
8.困难
A patient with COPD who is known to retain CO₂ arrives on 15 L/min oxygen. They are now drowsy with SpO₂ 99%. What is the most appropriate action?
- AGive a sedative to help the patient rest
- BReduce the oxygen to aim for 88–92% and get a blood gas
- CKeep the oxygen at 15 L/min because the saturation is excellent
- DRemove the oxygen completely and observe
答案
- 1. B · Beta-blockers
- 2. D · The right atrium
- 3. D · 戒烟
- 4. D · 额外的维生素 K 可能使 INR 降低
- 5. A · A sudden high potassium level can cause cardiac arrest
- 6. B · An increase in purulent (green or yellow) sputum
- 7. B · Treat the fever, pain and possible dehydration, then reassess
- 8. B · Reduce the oxygen to aim for 88–92% and get a blood gas
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