Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Which form of bilirubin rises mainly when red cells are broken down faster than normal?

1. AUnconjugated (indirect)
2. BStool bilirubin
3. CUrine bilirubin
4. DConjugated (direct)

Qual è un tipico intervallo di riferimento negli adulti per il sodio sierico?

1. A150–165 mEq/L
2. B95–105 mEq/L
3. C3,5–5,0 mEq/L
4. D135–145 mEq/L

What is a typical reference range for the reticulocyte count in an adult?

1. AAbout 0,01–0,05% of red cells
2. BAbout 0,5–2% of red cells
3. CAbout 40–50% of red cells
4. DAbout 10–20% of red cells

La glicemia a digiuno di un paziente oggi è 98 mg/dL (5,4 mmol/L), ma l'HbA1c è 8,9% (74 mmol/mol). Qual è l'interpretazione migliore?

1. AL'HbA1c riflette solo le ultime 24 ore
2. BIl controllo glicemico è stato scarso negli ultimi 2–3 mesi
3. CIl paziente non ha il diabete
4. DIl buon risultato di oggi dimostra che il diabete è ben controllato

A 55-year-old has a positive fecal immunochemical test (FIT) during routine screening. What is the usual next step?

1. ARepeat the test in 10 years
2. BNo action if there are no symptoms
3. CReferral for colonoscopy
4. DStart an iron supplement only

A patient with hyponatremia from SIADH starts tolvaptan. Why is the serum sodium checked frequently in the first day?

1. AThe drug causes severe hyperkalemia
2. BThe sodium can rise too quickly
3. CThe sodium always falls further
4. DThe drug lowers blood glucose sharply

A patient with ongoing hemolytic anemia has an HbA1c of 4,6%, but home glucose readings are often 180–220 mg/dL (10–12 mmol/L). What best explains the gap?

1. AHemolysis makes the HbA1c test read too high
2. BThe patient has true, well-controlled diabetes
3. CShort red cell life span lowers the HbA1c falsely
4. DThe home glucose meter is reading falsely high

Which patient should the nurse assess first?

1. AHypertension with a potassium of 3,6 mEq/L on a thiazide
2. BStable angina with a total cholesterol of 245 mg/dL (6,3 mmol/L)
3. CHeart failure with a BNP lower than the result on admission
4. DChest pain with troponin rising from the first to the second sample