1.简单
Which hemoglobin value in an adult man is within the typical reference range?
- A9.0 g/dL (90 g/L)
- B15.0 g/dL (150 g/L)
- C5.5 g/dL (55 g/L)
- D20.5 g/dL (205 g/L)
2.简单
细胞内液中的主要阳离子是哪种?
- A钠
- B氯
- C钾
- D钙
3.简单
对于未使用抗凝剂的人,INR 通常约为:
- A3.5–4.5
- B2.0–3.0
- C0.8–1.2
- D5.0–6.0
4.中等
一名服用华法林的患者开始每天大量食用羽衣甘蓝和菠菜。INR 已下降。哪项建议最恰当?
- A在饮食恢复正常之前停用华法林
- B保持富含维生素 K 的食物摄入量每天稳定
- C不告诉开医嘱者就将华法林剂量加倍
- D永远不再吃绿叶蔬菜
5.中等
A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?
- ASerum lithium level
- BSerum amylase
- CAbsolute neutrophil count
- DInternational normalized ratio
6.中等
When should a blood sample for a digoxin level be drawn to be interpreted correctly?
- AAt any time, because digoxin levels do not change during the day
- BWithin 30 minutes after an oral dose to show the peak level
- CAt least 6–8 hours after a dose, often just before the next one
- DOnly after a meal, because food is needed for absorption
7.困难
为什么对于两周前接受大量输血的患者,HbA1c 结果可能有误导性?
- AHbA1c 在任何情况下都是准确的
- B输血总是使 HbA1c 假性升高
- CHbA1c 测量的是白细胞上的糖,而不是红细胞
- D许多红细胞是供者的细胞,未曾接触该患者的葡萄糖
8.困难
A young man has a swollen knee after minor trauma. His aPTT is prolonged, but his PT/INR and platelet count are normal. Which condition fits best?
- AVitamin K deficiency from poor diet
- BDisseminated intravascular coagulation
- CHemophilia A (factor VIII deficiency)
- DImmune thrombocytopenia (ITP)
答案
- 1. B · 15.0 g/dL (150 g/L)
- 2. C · 钾
- 3. C · 0.8–1.2
- 4. B · 保持富含维生素 K 的食物摄入量每天稳定
- 5. C · Absolute neutrophil count
- 6. C · At least 6–8 hours after a dose, often just before the next one
- 7. D · 许多红细胞是供者的细胞,未曾接触该患者的葡萄糖
- 8. C · Hemophilia A (factor VIII deficiency)
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