Лабораторные показатели и электролиты: лист заданий с ответами

У человека, не принимающего антикоагулянт, МНО (INR) обычно составляет около:

1. A5,0–6,0
2. B0,8–1,2
3. C2,0–3,0
4. D3,5–4,5

What does the term pancytopenia mean?

1. ALow red cells, white cells and platelets
2. BHigh red cells, white cells and platelets
3. CHigh white cells with low platelets
4. DLow red cells with normal platelets

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

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

A patient with central diabetes insipidus starts desmopressin. Which laboratory result is most important to monitor for an adverse effect?

1. ASerum sodium, which may fall too low
2. BSerum glucose, which may rise very high
3. CSerum potassium, which may rise too high
4. DSerum calcium, which may rise too high

A tired patient with heavy menstrual periods has a normal hemoglobin and MCV but a ferritin of 8 ng/mL. What does this show?

1. AA completely normal iron status
2. BIron deficiency without anemia yet
3. CIron overload from too much iron
4. DVitamin B₁₂ deficiency anemia

A patient on peritoneal dialysis notices that the drained fluid is cloudy and has abdominal pain. What should the nurse do?

1. ARecord it as normal and continue the usual exchanges
2. BSend the fluid for cell count and culture and report it
3. CAdd more glucose to the next bag to clear the fluid
4. DStop dialysis for a week and recheck the fluid later

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?

1. AHigh calcium only matters if the potassium is also high
2. BHigh calcium blocks digoxin, so the drug stops working
3. CHigh calcium makes the kidneys clear digoxin faster
4. DHigh calcium increases the risk of digoxin toxicity

Which set of results best shows that diabetic ketoacidosis is resolving?

1. AA falling glucose with a still widening anion gap
2. BA rising potassium with a falling bicarbonate
3. CA closing anion gap with a rising bicarbonate and pH
4. DA falling glucose with a falling serum bicarbonate