解答つき内科外科看護：循環器と呼吸器ワークシート

In which situation can a pulse oximeter show a falsely normal reading?

1. AA warm hand at rest
2. BBreathing room air
3. CCarbon monoxide poisoning
4. DA regular pulse of 80/min

What is the usual SpO₂ of a healthy adult at rest breathing room air?

1. AAbout 70–75%
2. BAbout 80–85%
3. CAbout 60–65%
4. DAbout 95–100%

フロセミドなどのループ利尿薬で、よく低下する電解質はどれですか？

1. Aリン酸
2. B鉄
3. Cカリウム
4. D重炭酸

Which emergency equipment should be kept at the bedside of a patient with a tracheostomy?

1. AA nasogastric tube and a feeding pump
2. BSpare tubes (same size and one smaller), suction and oxygen
3. COnly a spare oxygen mask, since the tube rarely causes problems
4. DA urinary catheter set, a blood glucose meter and a thermometer

A patient with a mechanical heart valve asks to switch from warfarin to apixaban. What is the correct response?

1. AAny anticoagulant works equally well once the valve is in place
2. BAspirin alone can replace warfarin once the valve has healed
3. CMechanical valves do not need anticoagulation after the first month
4. DDirect oral anticoagulants are not used for mechanical valves

During an episode of chest pain, a patient's ECG shows new horizontal ST depression. What does this most likely indicate?

1. AA normal finding during pain
2. BMyocardial ischaemia
3. CPericarditis
4. DHyperkalaemia

A patient with squamous cell lung cancer becomes confused, thirsty and constipated, with abdominal pain. Which electrolyte disturbance is most likely?

1. AHypercalcaemia
2. BHypokalaemia
3. CHypomagnesaemia
4. DHyponatraemia

Which method best confirms that an endotracheal tube is in the trachea?

1. AMisting inside the tube
2. BThe patient's skin colour improving
3. CThe chest rising on one side only
4. DA sustained waveform on capnography