解答つき検査値と電解質ワークシート

息切れのある患者で、B 型ナトリウム利尿ペプチド（BNP）の上昇が最も強く支持する病態はどれですか？

1. A肺炎
2. B喘息発作
3. C心不全
4. Dパニック発作

A patient on warfarin asks what an INR of 2.0 means. Which explanation is best?

1. AYour blood takes about twice as long as normal to clot
2. BYour warfarin dose is twice what it should be
3. CYou have twice the normal number of platelets
4. DYour blood clots about twice as fast as is normal

C 反応性蛋白（CRP）の上昇は、主に何を示しますか？

1. A特に心臓発作
2. B体内の炎症
3. C脱水と水分喪失
4. D特に腎不全

Which blood collection practice helps prevent hemolysis of the sample?

1. AUsing the smallest needle available for every patient
2. BLeaving the tourniquet on for at least 3 minutes
3. CGently inverting the tubes instead of shaking them
4. DForcing blood quickly through a needle into the tube

A patient on warfarin has an INR of 7.8 and a nosebleed. Which medication would the nurse expect the provider to prescribe?

1. AVitamin K (phytonadione)
2. BAcetylcysteine
3. CProtamine sulfate
4. DNaloxone hydrochloride

2 日間嘔吐が続いている患者の BUN が 32 mg/dL（尿素 11.4 mmol/L）で、クレアチニンは正常です。最も考えられる原因はどれですか？

1. A水分過剰
2. B脱水
3. C肝不全
4. D低蛋白食

The nurse teaches a patient starting lithium. Which statement shows a need for further teaching?

1. A"I will drink plenty of fluids, especially in hot weather"
2. B"I will check with the pharmacist before taking ibuprofen"
3. C"I will tell my doctor if I have vomiting or diarrhea"
4. D"I will cut out salt from my diet completely to stay healthy"

A woman with preeclampsia is receiving IV magnesium sulfate. Her urine output has fallen and her creatinine is rising. Why is this a concern?

1. APoor kidney function makes the magnesium level fall quickly
2. BMagnesium is excreted by the kidneys, so it can build up to toxic levels
3. CMagnesium causes potassium loss, so the kidneys release more fluid
4. DMagnesium is broken down by the liver, so it will stop working soon