实验室检查值与电解质练习卷（附答案）

Which blood marker is the most specific for injury to the heart muscle?

1. ACardiac troponin
2. BSerum myoglobin
3. CLactate dehydrogenase
4. DTotal creatine kinase

血清钾 5.9 mEq/L 称为：

1. A高钾血症
2. B高钙血症
3. C低钾血症
4. D高钠血症

Which laboratory test is used to monitor warfarin therapy?

1. APlatelet count
2. BPT with INR
3. CD-dimer
4. DaPTT

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

1. AInternational normalized ratio
2. BSerum amylase
3. CSerum lithium level
4. DAbsolute neutrophil count

For most hospitalized adults with diabetes who are critically ill, which glucose target range is commonly recommended?

1. AAbout 140–180 mg/dL (7.8–10 mmol/L)
2. BAbout 300–350 mg/dL (16.7–19.4 mmol/L)
3. CAbout 60–80 mg/dL (3.3–4.4 mmol/L)
4. DAbout 250–300 mg/dL (13.9–16.7 mmol/L)

一名室性心律失常患者的监护仪上显示扭转样图形（尖端扭转型室速）。常静脉给予哪种电解质作为治疗？

1. A碳酸氢钠
2. B碳酸钙
3. C磷酸钾
4. D硫酸镁

A patient with acute kidney injury after severe dehydration has a rising creatinine. Which urine findings support a prerenal cause rather than acute tubular necrosis (ATN)?

1. AWhite cell casts with positive nitrites on the dipstick
2. BRed cell casts with heavy protein loss in the urine
3. CLow urine sodium and concentrated urine with a high specific gravity
4. DHigh urine sodium and dilute urine with muddy brown granular casts

A patient on clozapine for 2 years has been stable. Which statement shows a need for further teaching?

1. A"I'll keep all my scheduled blood test visits"
2. B"I can stop my blood tests since I feel well"
3. C"I'll report a sore throat or fever at once"
4. D"I'll tell other doctors that I take clozapine"