1.简单
Which drug commonly causes a low serum potassium?
- ALisinopril
- BFurosemide
- CSpironolactone
- DAmiloride
2.简单
The prostate-specific antigen (PSA) test is used mainly in relation to which organ?
- APancreas
- BPituitary gland
- CThyroid gland
- DProstate gland
3.简单
哪项实验室结果与皮肤和眼睛发黄(黄疸)关系最密切?
- A血清钾升高
- B血小板计数降低
- C血清胆红素升高
- D血清钙降低
4.中等
A patient with diabetes also takes propranolol. Why is regular glucose monitoring especially important?
- AThe drug blocks the insulin injection site
- BThe drug stops the meter from reading correctly
- CThe drug can mask warning signs of hypoglycemia
- DThe drug causes very high glucose in all patients
5.中等
A healthy woman at 28 weeks of pregnancy has a mildly lower hemoglobin than before pregnancy, with a normal MCV and ferritin. What is the most likely explanation?
- APregnancy hormones stop the bone marrow from making red cells
- BPlasma volume rises more than red cell mass, diluting the blood
- CIron is being lost through the kidneys during the pregnancy
- DThe fetus is destroying the mother's red cells in the circulation
6.中等
A patient with central diabetes insipidus starts desmopressin. Which laboratory result is most important to monitor for an adverse effect?
- ASerum calcium, which may rise too high
- BSerum potassium, which may rise too high
- CSerum glucose, which may rise very high
- DSerum sodium, which may fall too low
7.困难
A young woman with frequent self-induced vomiting has swollen salivary glands. Which laboratory pattern is most likely?
- ALow sodium, low bicarbonate and high lipase
- BHigh potassium, low bicarbonate and low amylase
- CLow potassium, high bicarbonate and high amylase
- DHigh calcium, high phosphate and high glucose
8.困难
A patient on digoxin has a calcium of 12.1 mg/dL (3.0 mmol/L) and new nausea and a slow pulse. Why is the calcium result important?
- AHigh calcium increases the risk of digoxin toxicity
- BHigh calcium makes the kidneys clear digoxin faster
- CHigh calcium blocks digoxin, so the drug stops working
- DHigh calcium only matters if the potassium is also high
答案
- 1. B · Furosemide
- 2. D · Prostate gland
- 3. C · 血清胆红素升高
- 4. C · The drug can mask warning signs of hypoglycemia
- 5. B · Plasma volume rises more than red cell mass, diluting the blood
- 6. D · Serum sodium, which may fall too low
- 7. C · Low potassium, high bicarbonate and high amylase
- 8. A · High calcium increases the risk of digoxin toxicity
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