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

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

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

哪个 HbA1c 值达到糖尿病通常的诊断阈值？

  1. A5.0%（31 mmol/mol）或更高
  2. B6.5%（48 mmol/mol）或更高
  3. C4.5%（26 mmol/mol）或更高
  4. D5.5%（37 mmol/mol）或更高
3.简单

A low mean corpuscular hemoglobin concentration (MCHC) means that the red cells are:

  1. AMore numerous than normal
  2. BLarger than normal (macrocytic)
  3. CShaped like a sickle
  4. DPaler than normal (hypochromic)
4.中等

A patient has taken hydrochlorothiazide for several years. Which laboratory change is a recognized effect of this drug?

  1. AA fall in serum calcium
  2. BA fall in blood glucose
  3. CA rise in serum potassium
  4. DA rise in serum uric acid
5.中等

A patient takes low-dose methotrexate weekly for rheumatoid arthritis. Which laboratory tests are monitored regularly?

  1. ATroponin, creatine kinase and myoglobin
  2. BComplete blood count, liver tests and kidney function
  3. CSerum amylase, lipase and blood ketones
  4. DSerum lithium, sodium and urine specific gravity
6.中等

A patient on a heparin infusion has an aPTT below the target range on the protocol. What should the nurse do?

  1. AContinue the same rate and recheck the aPTT in a few days
  2. BStop the infusion and give protamine sulfate as quickly as possible
  3. CSwitch the infusion to oral warfarin without a prescription
  4. DAdjust the rate as the protocol directs and recheck as scheduled
7.困难

A patient with advanced chronic kidney disease has a mildly raised troponin that has stayed the same on several tests over months. There is no chest pain and the ECG is unchanged. What is the best interpretation?

  1. AA sign of skeletal muscle injury, because troponin comes from all muscles
  2. BA laboratory error, because troponin is never raised in kidney disease
  3. CA chronic stable rise; infarction needs a rising or falling pattern
  4. DProof of an acute myocardial infarction that needs emergency treatment now
8.困难

A patient with sepsis has the following new results. Which set best shows organ dysfunction?

  1. AHemoglobin 12.5 g/dL, sodium 138 mEq/L, glucose 105 mg/dL
  2. BCalcium 9.4 mg/dL, phosphate 3.5 mg/dL, magnesium 1.9 mEq/L
  3. CPlatelets 70 × 10³/µL, creatinine doubled, bilirubin raised
  4. DWBC 11.5 × 10³/µL, potassium 4.2 mEq/L, albumin 3.8 g/dL

答案

  1. 1. D · Serum ferritin
  2. 2. B · 6.5%（48 mmol/mol）或更高
  3. 3. D · Paler than normal (hypochromic)
  4. 4. D · A rise in serum uric acid
  5. 5. B · Complete blood count, liver tests and kidney function
  6. 6. D · Adjust the rate as the protocol directs and recheck as scheduled
  7. 7. C · A chronic stable rise; infarction needs a rising or falling pattern
  8. 8. C · Platelets 70 × 10³/µL, creatinine doubled, bilirubin raised

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