1.简单
A raised alpha-fetoprotein (AFP) in an adult is most closely linked to which cancer?
- AHepatocellular (liver) cancer
- BDuctal breast cancer
- CProstate adenocarcinoma
- DBladder urothelial cancer
2.简单
For a fasting plasma glucose test, the patient should have had no caloric intake for at least:
- A24 hours
- B3 hours
- C1 hour
- D8 hours
3.简单
Which fasting plasma glucose meets the usual diagnostic threshold for diabetes when confirmed on a second test?
- A110 mg/dL (6.1 mmol/L) or higher
- B126 mg/dL (7.0 mmol/L) or higher
- C100 mg/dL (5.6 mmol/L) or higher
- D200 mg/dL (11.1 mmol/L) or higher
4.中等
A patient on warfarin for atrial fibrillation has a target INR of 2.0–3.0. How does the usual target for a patient with a mechanical mitral valve compare?
- AHigher, about 2.5–3.5
- BLower, about 1.0–1.5
- CThe same, 2.0–3.0
- DMuch higher, about 5.0–6.0
5.中等
A patient has had severe watery diarrhea for 4 days. Which laboratory pattern would the nurse expect?
- ALow glucose and high magnesium
- BHigh potassium and high bicarbonate
- CLow potassium and low bicarbonate
- DHigh sodium and high calcium
6.中等
A pregnant woman's blood type is O Rh-negative, and her antibody screen (indirect Coombs test) is negative. What is usually offered at about 28 weeks?
- AA transfusion of group O Rh-positive red cells
- BAn IV dose of vitamin K given for the fetus
- CAnti-D immunoglobulin (Rho(D) immune globulin)
- DDaily oral iron and folic acid supplements only
7.困难
A patient with sepsis has the following new results. Which set best shows organ dysfunction?
- APlatelets 70 × 10³/µL, creatinine doubled, bilirubin raised
- BHemoglobin 12.5 g/dL, sodium 138 mEq/L, glucose 105 mg/dL
- CWBC 11.5 × 10³/µL, potassium 4.2 mEq/L, albumin 3.8 g/dL
- DCalcium 9.4 mg/dL, phosphate 3.5 mg/dL, magnesium 1.9 mEq/L
8.困难
A patient with right upper abdominal pain from gallstones now has jaundice, a total bilirubin of 4.8 mg/dL (82 µmol/L) and a raised ALP. What is the most likely cause?
- AGilbert syndrome triggered by pain
- BUncomplicated gallbladder inflammation
- CHemolysis caused by the gallstones
- DA stone blocking the common bile duct
答案
- 1. A · Hepatocellular (liver) cancer
- 2. D · 8 hours
- 3. B · 126 mg/dL (7.0 mmol/L) or higher
- 4. A · Higher, about 2.5–3.5
- 5. C · Low potassium and low bicarbonate
- 6. C · Anti-D immunoglobulin (Rho(D) immune globulin)
- 7. A · Platelets 70 × 10³/µL, creatinine doubled, bilirubin raised
- 8. D · A stone blocking the common bile duct
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