实验室检查值与电解质练习卷（附答案）

Which type of white blood cell is normally the most numerous in an adult's blood?

1. ALymphocytes
2. BEosinophils
3. CNeutrophils
4. DMonocytes

成人血清白蛋白的典型参考范围是多少？

1. A约 0.5–1.0 g/dL（5–10 g/L）
2. B约 3.5–5.0 g/dL（35–50 g/L）
3. C约 8.5–10.5 g/dL（85–105 g/L）
4. D约 12–16 g/dL（120–160 g/L）

What is a typical adult reference range for serum chloride?

1. AAbout 3.5–5.0 mEq/L
2. BAbout 98–106 mEq/L
3. CAbout 22–28 mEq/L
4. DAbout 135–145 mEq/L

A patient with pneumonia had a CRP of 180 mg/L on admission and 40 mg/L after 4 days of antibiotics. What does this most likely show?

1. AThe infection has spread to another organ
2. BThe antibiotic is causing liver damage
3. CThe patient has developed a new infection
4. DThe inflammation is settling with treatment

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

1. ASerum lithium, sodium and urine specific gravity
2. BSerum amylase, lipase and blood ketones
3. CTroponin, creatine kinase and myoglobin
4. DComplete blood count, liver tests and kidney function

The heparin infusion rate was changed according to protocol. When is the aPTT usually rechecked?

1. AAbout 3 days after the change
2. BOnly after the infusion is stopped
3. CAbout 30 minutes after the change
4. DAbout 6 hours after the change

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. BPlatelets 70 × 10³/µL, creatinine doubled, bilirubin raised
3. CWBC 11.5 × 10³/µL, potassium 4.2 mEq/L, albumin 3.8 g/dL
4. DCalcium 9.4 mg/dL, phosphate 3.5 mg/dL, magnesium 1.9 mEq/L

A young adult has fatigue, bruising and fever. The white cell count is 85 × 10³/µL with many blasts, the hemoglobin is 7.9 g/dL (79 g/L) and the platelets are 22 × 10³/µL. What is the most likely diagnosis?

1. AAcute leukemia
2. BAcute viral infection
3. CIron-deficiency anemia
4. DPolycythemia vera