1.简单
What is the main effect of antidiuretic hormone (ADH) on the kidneys?
- AMore glucose is excreted, so the urine contains sugar
- BMore water is excreted, so the urine becomes dilute
- CMore water is reabsorbed, so urine is concentrated
- DMore potassium is reabsorbed, so the serum potassium rises
2.简单
血清渗透压的典型参考范围是多少?
- A约 400–500 mOsm/kg
- B约 135–145 mOsm/kg
- C约 50–100 mOsm/kg
- D约 275–295 mOsm/kg
3.简单
Which sample is commonly used to screen a patient for MRSA carriage on admission?
- AA blood culture from one arm
- BA clean-catch midstream urine sample
- CA swab from the front of the nose
- DA sample of stool sent for culture
4.中等
Apart from the lithium level, which tests are monitored regularly in long-term lithium therapy?
- ALiver enzymes and serum amylase
- BTroponin and creatine kinase (CK)
- CKidney function and thyroid function
- DINR and the platelet count
5.中等
A patient with central diabetes insipidus starts desmopressin. Which laboratory result is most important to monitor for an adverse effect?
- ASerum potassium, which may rise too high
- BSerum sodium, which may fall too low
- CSerum calcium, which may rise too high
- DSerum glucose, which may rise very high
6.中等
A patient has taken a proton pump inhibitor (such as omeprazole) for many years and now has muscle cramps and tremor. Which electrolyte is most likely to be low?
- AMagnesium
- BSodium
- CChloride
- DPhosphate
7.困难
哪种结果模式符合 SIADH?
- A血清钠低、血清渗透压低、尿液浓缩
- B血清钠高、血清渗透压高、尿液非常稀
- C血清钠低、血清渗透压高、尿液稀
- D钠正常,尿液非常稀
8.困难
A middle-aged man has fatigue, joint pain, a raised ALT and new diabetes. His ferritin is very high and his transferrin saturation is above 60%. Which condition is most likely?
- AIron-deficiency anemia
- BAnemia of chronic disease
- CAcute viral hepatitis A
- DHereditary hemochromatosis
答案
- 1. C · More water is reabsorbed, so urine is concentrated
- 2. D · 约 275–295 mOsm/kg
- 3. C · A swab from the front of the nose
- 4. C · Kidney function and thyroid function
- 5. B · Serum sodium, which may fall too low
- 6. A · Magnesium
- 7. A · 血清钠低、血清渗透压低、尿液浓缩
- 8. D · Hereditary hemochromatosis
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