实验室检查值与电解质练习卷（附答案）

免费可打印的实验室检查值与电解质练习卷：8 道题，从简单到考试水平，附答案。可打印或另存为 PDF。

新练习卷在线练习，附提示

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姓名: ____________________   日期: ____________

1.简单

In a standard 2-hour oral glucose tolerance test, what does the patient do?

  1. AReceives an insulin injection, and glucose is checked each hour
  2. BDrinks a measured glucose solution, and glucose is checked 2 hours later
  3. CEats a normal meal, and glucose is checked once later that evening
  4. DFasts for 3 days, and glucose is checked every morning before breakfast
2.简单

A patient has a hemoglobin of 19.5 g/dL (195 g/L) and a hematocrit of 58%. Which term describes this?

  1. APancytopenia (all cells low)
  2. BThrombocytopenia (low platelets)
  3. CPolycythemia (erythrocytosis)
  4. DIron-deficiency anemia
3.简单

A raised alpha-fetoprotein (AFP) in an adult is most closely linked to which cancer?

  1. ADuctal breast cancer
  2. BProstate adenocarcinoma
  3. CBladder urothelial cancer
  4. DHepatocellular (liver) cancer
4.中等

When should a blood sample for a digoxin level be drawn to be interpreted correctly?

  1. AAt any time, because digoxin levels do not change during the day
  2. BWithin 30 minutes after an oral dose to show the peak level
  3. CAt least 6–8 hours after a dose, often just before the next one
  4. DOnly after a meal, because food is needed for absorption
5.中等

一名该服地高辛的患者钾为 3.1 mEq/L。为什么这个结果很重要？

  1. A低钾增加地高辛中毒的风险
  2. B低钾可保护心脏免受地高辛副作用的影响
  3. C钾与地高辛没有相互作用
  4. D低钾使地高辛无效，所以应将剂量加倍
6.中等

Which change in clotting tests is normal in late pregnancy?

  1. APlatelets rise above 600 × 10³/µL
  2. BFibrinogen and D-dimer rise
  3. CINR rises to about 3.0
  4. DaPTT doubles from baseline
7.困难

Four patients had a thyroidectomy earlier today. Which result should the nurse act on first?

  1. AGlucose 145 mg/dL (8.0 mmol/L) after surgery
  2. BHemoglobin 12.1 g/dL (121 g/L) after surgery
  3. CSodium 136 mEq/L on IV fluids after surgery
  4. DCalcium 7.2 mg/dL (1.8 mmol/L) with tingling lips
8.困难

A nursing student has a positive interferon-gamma release assay (IGRA) for tuberculosis, no symptoms and a normal chest X-ray. What does this most likely mean?

  1. APast BCG vaccination only, with no infection
  2. BA false result, as the test does not detect TB
  3. CLatent TB infection, which is not contagious
  4. DActive pulmonary TB, which is contagious

答案

  1. 1. B · Drinks a measured glucose solution, and glucose is checked 2 hours later
  2. 2. C · Polycythemia (erythrocytosis)
  3. 3. D · Hepatocellular (liver) cancer
  4. 4. C · At least 6–8 hours after a dose, often just before the next one
  5. 5. A · 低钾增加地高辛中毒的风险
  6. 6. B · Fibrinogen and D-dimer rise
  7. 7. D · Calcium 7.2 mg/dL (1.8 mmol/L) with tingling lips
  8. 8. C · Latent TB infection, which is not contagious

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