Phiếu bài tập Giá trị xét nghiệm và điện giải có đáp án

Kết quả xét nghiệm nào liên quan chặt chẽ nhất đến da và mắt vàng (vàng da)?

1. ACalci huyết thanh thấp
2. BBilirubin huyết thanh tăng
3. CSố lượng tiểu cầu thấp
4. DKali huyết thanh tăng

A urine dipstick is positive for nitrites. What does this most likely show?

1. AKetones produced from fat breakdown in fasting
2. BGlucose spilling into the urine from high blood levels
3. CRed blood cells leaking from the glomeruli
4. DBacteria in the urine that convert nitrate to nitrite

What is a typical adult reference range for total serum bilirubin?

1. AAbout 3–12 mg/dL (51–205 µmol/L)
2. BAbout 0,03–0,1 mg/dL (0,5–1,7 µmol/L)
3. CAbout 10–20 mg/dL (171–342 µmol/L)
4. DAbout 0,3–1,2 mg/dL (5–21 µmol/L)

A patient on levothyroxine has palpitations, weight loss and a TSH of 0,05 mIU/L. What is the most likely explanation?

1. AThe thyroid is now completely normal
2. BThe levothyroxine dose is too low
3. CThe levothyroxine dose is too high
4. DThe patient has stopped the drug

A patient's potassium is 7,0 mEq/L. Which ECG change would the nurse expect?

1. AFlattened T waves
2. BTall, peaked T waves
3. CProminent U waves
4. DDelta waves before the QRS

How should a blood sample for serum ammonia be handled?

1. AShaken firmly to mix it before it is sent away
2. BKept warm and sent with the next routine batch
3. CPlaced on ice and sent to the laboratory at once
4. DLeft at room temperature for several hours first

A woman who is 34 weeks pregnant has high blood pressure, right upper abdominal pain, a platelet count of 70 × 10³/µL, raised ALT and AST, and a raised LDH. Which condition fits best?

1. AGestational diabetes
2. BHELLP syndrome
3. CPhysiologic anemia of pregnancy
4. DAcute cholecystitis

A patient with sepsis has the following new results. Which set best shows organ dysfunction?

1. AWBC 11,5 × 10³/µL, potassium 4,2 mEq/L, albumin 3,8 g/dL
2. BHemoglobin 12,5 g/dL, sodium 138 mEq/L, glucose 105 mg/dL
3. CCalcium 9,4 mg/dL, phosphate 3,5 mg/dL, magnesium 1,9 mEq/L
4. DPlatelets 70 × 10³/µL, creatinine doubled, bilirubin raised