Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Which ECG change is linked to hypercalcemia?

1. AA shortened QT interval
2. BA prolonged QT interval
3. CTall, peaked T waves
4. DProminent U waves

Qual è l'intervallo terapeutico comunemente riportato per il valproato sierico totale (acido valproico) nell'epilessia?

1. ACirca 50–100 mcg/mL (mg/L)
2. BCirca 5–10 mcg/mL (mg/L)
3. CCirca 0,6–1,2 mcg/mL (mg/L)
4. DCirca 500–1000 mcg/mL (mg/L)

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

1. ABilirubin is being passed in the urine
2. BProtein is leaking through the glomeruli
3. CWhite blood cells are present in the urine
4. DRed blood cells are present in the urine

A patient has taken hydrochlorothiazide for several years. Which laboratory change is a recognized effect of this drug?

1. AA fall in serum calcium
2. BA rise in serum uric acid
3. CA rise in serum potassium
4. DA fall in blood glucose

A patient has a calcium of 11,8 mg/dL (2,95 mmol/L) from bone metastases. Which nursing measure is appropriate?

1. AEncourage bed rest and limit oral fluids
2. BEncourage fluids and mobility as tolerated
3. CGive calcium carbonate antacids for nausea
4. DOffer extra milk and cheese at each meal

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

1. ASerum lithium level
2. BSerum amylase
3. CInternational normalized ratio
4. DAbsolute neutrophil count

Quale reperto suggerisce con più forza che l'aumento della creatinina di un paziente sia dovuto a un danno renale acuto piuttosto che a una malattia renale cronica di lunga data?

1. AIl paziente ha una creatinina alta da molti anni
2. BIl paziente ha reni piccoli all'ecografia
3. CLa creatinina era normale tre giorni fa e da allora è raddoppiata
4. DIl paziente ha un'anemia di lunga data

Which set of results most strongly suggests hemolytic anemia?

1. ALow hemoglobin, low reticulocytes, low MCV, low ferritin
2. BLow hemoglobin, high reticulocytes, high unconjugated bilirubin, high LDH
3. CLow hemoglobin, high MCV, low vitamin B₁₂, normal bilirubin
4. DLow hemoglobin, low platelets, low white cells, low reticulocytes