Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What is a "critical value" (panic value) in laboratory reporting?

1. AA result so abnormal that it may threaten life and needs prompt action
2. BA result that is normal but differs from the patient's last value
3. CAny result that is slightly outside the laboratory reference range
4. DA result that the laboratory could not measure because of a bad sample

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

A patient on warfarin asks what an INR of 2,0 means. Which explanation is best?

1. AYour blood clots about twice as fast as is normal
2. BYou have twice the normal number of platelets
3. CYour warfarin dose is twice what it should be
4. DYour blood takes about twice as long as normal to clot

A patient's potassium is unexpectedly 5,8 mEq/L. The sample was taken after the tourniquet was on for several minutes while the patient pumped their fist. What is the best interpretation?

1. AThe result confirms true hyperkalemia and needs no further checking
2. BThe result may be falsely high and should be repeated with better technique
3. CTourniquet time affects only the glucose result, not the potassium
4. DFist pumping lowers potassium, so the true level is even higher

A patient with type 2 diabetes starts prednisone each morning. When is the glucose most likely to be highest?

1. AIn the early morning, before the dose
2. BIn the afternoon and evening
3. CThe glucose will not change
4. DAt midnight only

A nurse has a needlestick injury from a patient with unknown HIV status. Which test is usually done for the nurse as soon as possible?

1. AA serum lipase test
2. BA sweat chloride test
3. CA baseline HIV test
4. DA thyroid panel test

A frail older adult in a nursing home has been drinking very little during a heat wave. She is confused, and her sodium is 158 mEq/L. Which treatment would the nurse expect?

1. AStrict fluid restriction to below 800 mL a day
2. BRapid infusion of 3% saline to raise the volume
3. CA loop diuretic to remove the extra sodium quickly
4. DGradual replacement of free water over many hours

Un paziente in infusione di eparina ha una conta piastrinica che scende da 260 a 110 × 10³/µL al giorno 7. Quale azione è più appropriata?

1. ASegnalarlo subito: è possibile una trombocitopenia indotta da eparina
2. BSomministrare una trasfusione di piastrine e continuare l'eparina
3. CContinuare l'infusione e aumentare la velocità secondo protocollo
4. DNon fare nulla, perché la conta è ancora appena sopra 100 × 10³/µL