实验室检查值与电解质练习卷（附答案）

成人血清磷酸盐的典型参考范围是多少？

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

Which laboratory test best reflects the body's iron stores?

1. ASerum sodium
2. BPlatelet count
3. CSerum albumin
4. DSerum ferritin

成人血清镁的典型参考范围是多少？

1. A约 3.5–5.0 mEq/L（1.75–2.5 mmol/L）
2. B约 1.3–2.1 mEq/L（0.65–1.05 mmol/L）
3. C约 0.3–0.7 mEq/L（0.15–0.35 mmol/L）
4. D约 6.0–8.0 mEq/L（3.0–4.0 mmol/L）

静脉注射葡萄糖酸钙如何帮助重度高钾血症患者？

1. A增加肾脏对钾的排泄
2. B在肠道中结合钾，使其随粪便排出
3. C稳定心肌细胞膜，但不降低钾
4. D使钾从血液转移到细胞内

A patient is starting dabigatran, a direct oral anticoagulant. Which laboratory test is most important to review before the first dose?

1. AKidney function (creatinine clearance)
2. BTSH, to rule out an overactive thyroid gland
3. CLipase, to rule out an inflamed pancreas first
4. DINR, to set the dose of the anticoagulant

一名患者的中性粒细胞绝对计数为 0.4 × 10³/µL。哪项措施是恰当的？

1. A因读数更准确而经直肠测体温
2. B把鲜花带进房间以提振患者的情绪
3. C与另一位正在治疗肺炎的患者同住一室
4. D严格的手卫生、体温检查，并禁止有感染的访客

A middle-aged man has fatigue, joint pain, a raised ALT and new diabetes. His ferritin is very high and his transferrin saturation is above 60%. Which condition is most likely?

1. AAcute viral hepatitis A
2. BAnemia of chronic disease
3. CHereditary hemochromatosis
4. DIron-deficiency anemia

The nurse teaches a patient with thrombocytopenia (platelets 25 × 10³/µL) about home safety. Which statement shows a need for further teaching?

1. A"I'll use an electric razor to shave"
2. B"I'll use a soft-bristled toothbrush"
3. C"I'll blow my nose gently, not forcefully"
4. D"I'll take aspirin if I get a headache"