实验室检查值与电解质练习卷（附答案）

成人血清钠的典型参考范围是多少？

1. A3.5–5.0 mEq/L
2. B150–165 mEq/L
3. C135–145 mEq/L
4. D95–105 mEq/L

Which blood test is the usual measure of a person's vitamin D status?

1. A1,25-dihydroxyvitamin D
2. B25-hydroxyvitamin D
3. CSerum phosphate
4. DParathyroid hormone

A raised neutrophil count (neutrophilia) is most typical of:

1. AA mild viral cold
2. BVitamin B₁₂ deficiency
3. CAcute bacterial infection
4. DHay fever and asthma

Which technique is recommended for a capillary blood glucose test on an adult's finger?

1. APrick the center of the fingertip
2. BSqueeze the finger very hard
3. CUse the same finger every time
4. DPrick the side of the fingertip

一名因房颤服用华法林的患者 INR 为 1.4。这意味着什么？

1. A患者不再需要服用华法林
2. B患者出血风险很高，需要立即使用维生素 K
3. C抗凝不足，更容易发生血栓和卒中
4. D剂量恰到好处，无需改变

A patient on carbamazepine becomes confused and has a headache. Which laboratory result would most likely explain this?

1. AA low serum magnesium
2. BA low serum sodium
3. CA high serum potassium
4. DA high serum calcium

一名钠为 132 mEq/L、血糖为 600 mg/dL（33.3 mmol/L）的患者入院。为什么要谨慎解读钠的数值？

1. A高血糖使测得的钠假性升高，因此实际上更低
2. B高血糖把水吸入血液，稀释了钠
3. C葡萄糖对测得的钠没有影响
4. D钠的结果一定是实验室误差

After lying on the floor for many hours, a patient has a CK of 40,000 U/L, a potassium of 6.1 mEq/L and dark urine. Which prescribed treatment is the priority?

1. AAn oral potassium supplement with each meal
2. BHigh-dose NSAIDs for the muscle pain
3. CFluid restriction to protect the heart from overload
4. DLarge-volume IV fluids with cardiac monitoring