解答つき検査値と電解質ワークシート

成人の血清リン酸の典型的な基準範囲はどれですか？

1. A約 0.5–1.5 mg/dL（0.2–0.5 mmol/L）
2. B約 2.5–4.5 mg/dL（0.8–1.5 mmol/L）
3. C約 8.5–10.5 mg/dL（2.1–2.6 mmol/L）
4. D約 5.5–7.5 mg/dL（1.8–2.4 mmol/L）

How does active vitamin D (calcitriol) affect calcium?

1. AIt increases calcium absorption from the gut
2. BIt blocks calcium absorption from the gut
3. CIt moves calcium out of the blood into cells
4. DIt increases calcium loss in the urine

What is a typical adult reference range for thyroid-stimulating hormone (TSH)?

1. AAbout 0.01–0.04 mIU/L
2. BAbout 10–20 mIU/L
3. CAbout 40–80 mIU/L
4. DAbout 0.4–4.0 mIU/L

患者のナトリウムが 152 mEq/L です。看護師が予想する所見はどれですか？

1. A陽性のトルソー徴候を伴う筋肉のぴくつき
2. B尖った T 波を伴う徐脈
3. C足首の腫れを伴う体重増加
4. D口渇、粘膜の乾燥、落ち着きのなさ

A week after a splenectomy, a patient's platelet count is 650 × 10³/µL. What is the best interpretation?

1. AA sign of iron overload from the surgery and transfusion
2. BA laboratory error, because platelets fall after splenectomy
3. CAn expected rise after splenectomy that increases clot risk
4. DA sign of new leukemia that needs immediate chemotherapy

How often is the INR usually checked when warfarin is first started?

1. AOnce a year, at a routine visit
2. BEvery few days, until it is stable
3. CEvery hour, during the first week
4. DOnly if bleeding occurs at home

A patient has sudden episodes of severe headache, sweating, palpitations and very high blood pressure. Which test is most useful to look for the cause?

1. ASerum calcium only
2. BFasting lipid profile
3. CSerum TSH and free T₄
4. DPlasma free metanephrines

A patient on warfarin with an INR of 3.6 fell and hit their head an hour ago. They now report a worsening headache and drowsiness. What is the priority?

1. AEncourage rest in a dark room to settle the pain
2. BReport urgently for imaging and possible reversal
3. CGive acetaminophen (paracetamol) and recheck the INR tomorrow
4. DHold warfarin for one dose and observe at home