Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What does a creatinine clearance measured from a 24-hour urine collection estimate?

1. AThe concentrating ability of the urine
2. BThe glomerular filtration rate
3. CThe rate of red cell production
4. DThe amount of protein lost from the blood

Qual è il principale catione nel liquido intracellulare?

1. ASodio
2. BCloruro
3. CCalcio
4. DPotassio

A urine dipstick is positive for leukocyte esterase. What does this show?

1. ARed blood cells are present in the urine
2. BBilirubin is being passed in the urine
3. CProtein is leaking through the glomeruli
4. DWhite blood cells are present in the urine

A patient's eGFR has fallen to 24 mL/min/1,73 m². Which prescribed drug should the nurse question before giving it?

1. AAcetaminophen (paracetamol)
2. BLevothyroxine
3. CMetformin
4. DInsulin glargine

A patient takes high-dose furosemide. Besides potassium, which electrolyte is most commonly lowered?

1. APhosphate
2. BUric acid
3. CMagnesium
4. DSodium bicarbonate

A patient starts lisinopril (an ACE inhibitor). Which laboratory values should the nurse expect to be monitored?

1. ACalcium and phosphate
2. BPotassium and creatinine
3. CALT and bilirubin
4. DTSH and free T₄

A patient with a large, fast-growing lymphoma will start chemotherapy tomorrow. Which plan best prevents tumor lysis syndrome?

1. ACalcium supplements and a high-phosphate diet during treatment
2. BNo special measures, because the risk starts only after a week
3. CFluid restriction and a high-potassium diet before the treatment
4. DIV hydration, a uric acid-lowering drug and frequent electrolytes

A patient on high-dose dexamethasone has a white cell count of 15 × 10³/µL, mostly mature neutrophils with no bands. They have no fever and no signs of infection. What is the most likely explanation?

1. AA steroid effect that moves neutrophils into the circulating blood
2. BCertain sepsis that needs antibiotics started without delay
3. CA new leukemia that is confirmed by this result alone
4. DA laboratory error, because steroids always lower the white count