Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

A raised alkaline phosphatase (ALP) is most typical of:

1. AAcute damage to the heart muscle
2. BBlocked bile flow or increased bone turnover
3. CInflammation of the lining of the urinary bladder
4. DLow production of hormone by the thyroid gland

What does the reticulocyte count measure?

1. AOld red blood cells that are being removed by the spleen
2. BImmature white blood cells released during infection
3. CPlatelets that are larger than normal in size
4. DYoung red blood cells recently released from the bone marrow

In the US (NCEP ATP III) classification, which LDL cholesterol level is called optimal for an adult?

1. AAbout 220–260 mg/dL (5,7–6,7 mmol/L)
2. BBelow 100 mg/dL (2,6 mmol/L)
3. CAbout 160–189 mg/dL (4,1–4,9 mmol/L)
4. DAbout 190 mg/dL (4,9 mmol/L) or more

A patient takes valproate (valproic acid) for epilepsy. Which tests are monitored regularly?

1. ATroponin and B-type natriuretic peptide
2. BSerum lithium and urine specific gravity
3. CThyroid function and serum calcium
4. DLiver function tests and platelet count

A patient with hepatic encephalopathy is receiving lactulose. Which finding best shows that the treatment is effective?

1. AA rising serum ammonia with a slower flapping tremor
2. BSix to eight watery stools a day with dizziness
3. CNo bowel movement for 2 days and calm sleep
4. DTwo to three soft stools a day and clearer thinking

A patient on a heparin infusion has an aPTT below the target range on the protocol. What should the nurse do?

1. ASwitch the infusion to oral warfarin without a prescription
2. BAdjust the rate as the protocol directs and recheck as scheduled
3. CContinue the same rate and recheck the aPTT in a few days
4. DStop the infusion and give protamine sulfate as quickly as possible

A patient's creatinine was 0,9 mg/dL (80 µmol/L) on admission and is 1,3 mg/dL (115 µmol/L) 36 hours later. Using the common KDIGO criteria, what does this show?

1. AChronic kidney disease, because creatinine has risen above baseline
2. BAcute kidney injury, because it rose by at least 0,3 mg/dL within 48 hours
3. CA laboratory error, because creatinine cannot change within 2 days
4. DNo kidney injury, because the creatinine is still within the normal range

A patient's results: sodium 140 mEq/L, chloride 100 mEq/L, bicarbonate 12 mEq/L. What is the anion gap, and what does it suggest?

1. A52 mEq/L, a very high anion gap
2. B12 mEq/L, a normal anion gap
3. C40 mEq/L, a high anion gap
4. D28 mEq/L, a high anion gap