Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What does a "stat" laboratory order mean?

1. AThe test is done next week
2. BThe test is done if time allows
3. CThe test is done at night
4. DThe test is done immediately

What is a typical reference range for urine specific gravity in an adult?

1. AAbout 1,005–1,030
2. BAbout 1,100–1,300
3. CAbout 0,900–0,990
4. DAbout 1,040–1,060

What does the term pancytopenia mean?

1. AHigh red cells, white cells and platelets
2. BLow red cells with normal platelets
3. CLow red cells, white cells and platelets
4. DHigh white cells with low platelets

Perché un paziente con insufficienza epatica può avere un INR elevato senza assumere warfarin?

1. AI reni smettono di eliminare i fattori della coagulazione dal sangue
2. BIl fegato produce la maggior parte dei fattori della coagulazione, perciò la produzione cala
3. CLa bilirubina distrugge direttamente i fattori della coagulazione
4. DL'albumina è un fattore della coagulazione e il suo livello cala

Un paziente con cirrosi ha un'albumina di 2,2 g/dL (22 g/L). Quale reperto è più probabilmente correlato?

1. AAumento della diuresi
2. BPressione arteriosa alta
3. CIperkaliemia
4. DEdema e ascite

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. BNo bowel movement for 2 days and calm sleep
3. CTwo to three soft stools a day and clearer thinking
4. DSix to eight watery stools a day with dizziness

Three days after starting haloperidol, a patient has a temperature of 40 °C, severe muscle rigidity and confusion. Which laboratory result would the nurse expect?

1. AA very high serum lithium
2. BA very low serum sodium
3. CA very low white cell count
4. DA very high creatine kinase (CK)

A woman with preeclampsia is receiving IV magnesium sulfate. Her urine output has fallen and her creatinine is rising. Why is this a concern?

1. APoor kidney function makes the magnesium level fall quickly
2. BMagnesium is excreted by the kidneys, so it can build up to toxic levels
3. CMagnesium causes potassium loss, so the kidneys release more fluid
4. DMagnesium is broken down by the liver, so it will stop working soon