1.简单
哪项实验室检查在急性胰腺炎时最典型地升高?
- A血清脂肪酶
- B糖化血红蛋白
- C血清肌钙蛋白
- D血清白蛋白
2.简单
Which statement about HDL cholesterol is correct?
- AHigher levels are the main cause of plaque in the arteries
- BIt should ideally be kept below 40 mg/dL (1.0 mmol/L)
- CHigher levels are linked to a lower risk of heart disease
- DIt is the same as the fasting triglyceride level
3.简单
Which antibody test is most specific for rheumatoid arthritis?
- AAnti-D antibody
- BAnti-HBs antibody
- CAntinuclear antibody
- DAnti-CCP antibodies
4.中等
In the US, when is a pregnant woman without known risk factors usually screened for gestational diabetes?
- AAt about 6–8 weeks of pregnancy
- BOnly after the baby is born
- CAt about 24–28 weeks of pregnancy
- DAt about 38–40 weeks of pregnancy
5.中等
A patient on a heparin infusion has blood in the urine and an aPTT far above the target. The nurse stops the infusion and informs the provider. Which antidote should the nurse anticipate?
- AProtamine sulfate
- BVitamin K (phytonadione)
- CNaloxone
- DCalcium gluconate
6.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?
- AThe fetus is destroying the mother's red cells in the circulation
- BPlasma volume rises more than red cell mass, diluting the blood
- CPregnancy hormones stop the bone marrow from making red cells
- DIron is being lost through the kidneys during the pregnancy
7.困难
A patient recovering from acute tubular necrosis now passes 4–5 L of urine a day. Which electrolyte changes should the nurse watch for?
- AHigh potassium and high sodium from retention
- BNo changes, because the kidneys are now normal
- CLow potassium and low sodium from urine losses
- DHigh calcium and high phosphate from bone loss
8.困难
A young woman with frequent self-induced vomiting has swollen salivary glands. Which laboratory pattern is most likely?
- AHigh calcium, high phosphate and high glucose
- BLow sodium, low bicarbonate and high lipase
- CHigh potassium, low bicarbonate and low amylase
- DLow potassium, high bicarbonate and high amylase
答案
- 1. A · 血清脂肪酶
- 2. C · Higher levels are linked to a lower risk of heart disease
- 3. D · Anti-CCP antibodies
- 4. C · At about 24–28 weeks of pregnancy
- 5. A · Protamine sulfate
- 6. B · Plasma volume rises more than red cell mass, diluting the blood
- 7. C · Low potassium and low sodium from urine losses
- 8. D · Low potassium, high bicarbonate and high amylase
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