实验室检查值与电解质练习卷（附答案）

血清地高辛常被引用的治疗范围是多少？

1. A约 0.05–0.2 ng/mL
2. B约 10–20 ng/mL
3. C约 0.5–2.0 ng/mL
4. D约 20–40 ng/mL

哪个 HbA1c 值达到糖尿病通常的诊断阈值？

1. A4.5%（26 mmol/mol）或更高
2. B5.5%（37 mmol/mol）或更高
3. C6.5%（48 mmol/mol）或更高
4. D5.0%（31 mmol/mol）或更高

Lactate is mainly produced when cells:

1. ABreak down fat completely with oxygen
2. BBreak down glucose without enough oxygen
3. CStore glucose as glycogen in the muscles
4. DBreak down protein in the liver for energy

How does the nurse start a 24-hour urine collection at 08:00?

1. AHave the patient void and discard that urine, then save all urine until 08:00 the next day
2. BSave the 08:00 urine as the first sample, then collect until 08:00 the next day
3. CSave three samples spread across the day and discard all of the urine passed at night
4. DCollect only the first urine passed on waking, and repeat this the next morning

一名意识清醒的患者血糖为 54 mg/dL（3.0 mmol/L），已摄入 15 g 速效碳水化合物。应在何时复测血糖？

1. A约 15 分钟后
2. B下一餐时
3. C约 2 小时后
4. D第二天早晨

A patient taking spironolactone asks about using a salt substitute. What should the nurse explain?

1. ASalt substitutes protect against the potassium loss caused by this drug
2. BSalt substitutes are fine as long as the patient drinks more water
3. CSalt substitutes are safe because they contain only sodium chloride
4. DMost salt substitutes contain potassium and can raise the level too high

Three days after starting haloperidol, a patient has a temperature of 40 °C, severe muscle rigidity and confusion. Which laboratory result would the nurse expect?

1. AA very high creatine kinase (CK)
2. BA very high serum lithium
3. CA very low white cell count
4. DA very low serum sodium

A patient with acute pancreatitis has a rising BUN, a falling calcium and a glucose of 250 mg/dL (13.9 mmol/L) over the first 48 hours. What do these results suggest?

1. AAn unrelated new kidney stone
2. BIncreasingly severe pancreatitis
3. CA lab error from lipemic samples
4. DA resolving, mild pancreatitis