Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Below about which blood glucose level is hypoglycemia usually defined and treated in a person with diabetes?

1. A70 mg/dL (3,9 mmol/L)
2. B40 mg/dL (2,2 mmol/L)
3. C126 mg/dL (7,0 mmol/L)
4. D100 mg/dL (5,6 mmol/L)

In a standard 2-hour oral glucose tolerance test, what does the patient do?

1. AEats a normal meal, and glucose is checked once later that evening
2. BFasts for 3 days, and glucose is checked every morning before breakfast
3. CDrinks a measured glucose solution, and glucose is checked 2 hours later
4. DReceives an insulin injection, and glucose is checked each hour

Che cosa indica soprattutto un test positivo dei chetoni nel sangue o nelle urine?

1. AIl fegato sta producendo troppa bilirubina
2. BI reni stanno perdendo proteine nelle urine
3. CL'organismo sta scomponendo i grassi come combustibile, come nel deficit di insulina o nel digiuno
4. DIl paziente ha un'infezione delle vie urinarie

A patient with recurrent gout starts allopurinol. Which laboratory result shows that the treatment is achieving its goal?

1. AA falling serum uric acid
2. BA rising white cell count
3. CA rising serum calcium
4. DA falling serum potassium

A patient with an upper gastrointestinal bleed has a BUN of 48 mg/dL (urea 17 mmol/L) and a normal creatinine. What is the most likely explanation?

1. ADigested blood adds protein, which the liver turns into urea
2. BThe kidneys have suddenly lost most of their function
3. CSkeletal muscle is breaking down because of the blood loss
4. DThe liver has stopped making urea because of the bleeding

Which blood collection practice helps prevent hemolysis of the sample?

1. AForcing blood quickly through a needle into the tube
2. BUsing the smallest needle available for every patient
3. CLeaving the tourniquet on for at least 3 minutes
4. DGently inverting the tubes instead of shaking them

A patient on IV gentamicin has a trough level above the target, and the creatinine has risen since yesterday. The next dose is due. What is the best action?

1. AGive the dose now and recheck the levels next week
2. BHold the dose and report the results to the prescriber
3. CGive the dose with extra oral fluids to protect the kidneys
4. DGive half of the dose and document the reason for it

Un paziente con chetoacidosi diabetica riceve un'infusione endovenosa di insulina. Quale valore di laboratorio deve essere monitorato con particolare attenzione?

1. AL'emoglobina, perché l'insulina distrugge i globuli rossi
2. BL'albumina, perché l'insulina fa smettere al fegato di produrla
3. CIl sodio, perché l'insulina fa eliminare ai reni quantità molto grandi di sodio
4. DIl potassio, perché l'insulina lo sposta nelle cellule e può calare rapidamente