1.やさしい
What is the normal PR interval on an adult ECG?
- A0.40–0.60 seconds
- B0.02–0.06 seconds
- C0.12–0.20 seconds
- D1.0–1.2 seconds
2.やさしい
What is the pleura?
- AThe cartilage rings of the trachea
- BA double membrane lining the lungs and the inner chest wall
- CThe dome-shaped muscle that separates the chest from the abdomen
- DThe tiny air sacs at the ends of the airways where gas exchange happens
3.やさしい
Which vessels carry oxygenated blood from the lungs to the heart?
- AThe coronary sinus
- BThe venae cavae
- CThe pulmonary veins
- DThe pulmonary arteries
4.ふつう
A patient with an implantable cardioverter-defibrillator asks what to do if it fires. Which teaching is correct?
- ADrive straight to hospital alone after any shock so the device can be checked by the team
- BIgnore any shock at all, because the device is designed to fire every day and needs no follow-up
- COne shock and well: contact the device clinic; repeated shocks or unwell: call emergency services
- DRemove the device battery at home if it fires more than once
5.ふつう
Why is active tuberculosis treated with several drugs for at least six months?
- ATo reduce the number of side effects compared with one drug
- BTo kill slow-growing bacteria and prevent drug resistance
- CBecause the bacteria are resistant to all drugs at first
- DBecause each drug works on a different organ only
6.ふつう
Which skin changes around the ankles are typical of chronic venous insufficiency?
- AA sharply defined red patch with fever
- BA cold, white foot with no pulse
- CPale, shiny, hairless skin with weak pulses
- DBrown staining, swelling and dry, itchy skin
7.むずかしい
A patient receiving noradrenaline (norepinephrine) through a peripheral cannula has pale, cold skin around the site. What should the nurse do?
- AContinue the infusion, as this is expected
- BIncrease the rate so the drug enters the vein faster and leaks less
- CStop it at that site, inform the team and follow the extravasation policy
- DMassage the area firmly to spread the drug out into the surrounding tissue
8.むずかしい
肺炎の患者が、50 L/分、FiO₂ 0.6の高流量鼻カニュラ酸素を使っていますが、SpO₂ 90%、呼吸数34/分で、呼吸補助筋を使っています。最も適切な対応はどれですか?
- A鼻の乾燥を減らすため、4 L/分の鼻カニューラに変更する
- B呼吸筋を休めるため、患者を仰向けに寝かせる
- C呼吸補助の見直しのため、緊急に集中治療へ上申する
- D同じ補助を続け、4時間後に再評価する
解答
- 1. C · 0.12–0.20 seconds
- 2. B · A double membrane lining the lungs and the inner chest wall
- 3. C · The pulmonary veins
- 4. C · One shock and well: contact the device clinic; repeated shocks or unwell: call emergency services
- 5. B · To kill slow-growing bacteria and prevent drug resistance
- 6. D · Brown staining, swelling and dry, itchy skin
- 7. C · Stop it at that site, inform the team and follow the extravasation policy
- 8. C · 呼吸補助の見直しのため、緊急に集中治療へ上申する
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。