1.やさしい
In pericarditis, which structure is inflamed?
- AThe sac that surrounds the heart
- BThe coronary arteries
- CThe heart muscle itself
- DThe inner lining of the heart chambers
2.やさしい
What is the normal PR interval on an adult ECG?
- A0.02–0.06 seconds
- B0.40–0.60 seconds
- C0.12–0.20 seconds
- D1.0–1.2 seconds
3.やさしい
What defines type 2 respiratory failure?
- ANormal PaO₂ with a low PaCO₂
- BHigh PaO₂ with a high bicarbonate
- CLow PaO₂ with a raised PaCO₂
- DLow PaO₂ with a normal or low PaCO₂
4.ふつう
Why is intravenous furosemide given slowly rather than as a rapid push of a large dose?
- ARapid doses cause the potassium level to rise
- BRapid high doses can damage hearing
- CSlow injection makes the urine output larger
- DRapid doses cause severe constipation
5.ふつう
A patient arrives with suspected cardiac chest pain. How soon should a 12-lead ECG be recorded?
- AOnly after the troponin result is available
- BWithin about 10 minutes of arrival
- CWithin 2 hours of arrival
- DThe following morning
6.ふつう
A patient with heart failure takes furosemide once a day. When is the best time to take it?
- AWhenever the ankles look swollen, on those days only
- BAt bedtime, so the effect lasts through the night
- CJust before the evening meal, with a large drink
- DIn the morning, to avoid needing the toilet at night
7.むずかしい
A 25-year-old non-smoker has wheeze and cough that come and go, worse at night and after exercise. Spirometry improves markedly after a bronchodilator. Which diagnosis is most likely?
- ACOPD
- BAsthma
- CHeart failure
- DIdiopathic pulmonary fibrosis
8.むずかしい
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?
- ATreat the fever, pain and possible dehydration, then reassess
- BGive a beta-blocker to bring the heart rate below 100/min
- CArrange urgent electrical cardioversion to restore a normal rate
- DGive IV adenosine
解答
- 1. A · The sac that surrounds the heart
- 2. C · 0.12–0.20 seconds
- 3. C · Low PaO₂ with a raised PaCO₂
- 4. B · Rapid high doses can damage hearing
- 5. B · Within about 10 minutes of arrival
- 6. D · In the morning, to avoid needing the toilet at night
- 7. B · Asthma
- 8. A · Treat the fever, pain and possible dehydration, then reassess
ステップごとの詳しい解答:このトピックは examproblems.com で練習できます。