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. AUrine bilirubin
2. BConjugated (direct)
3. CUnconjugated (indirect)
4. DStool bilirubin

Which sample is commonly used to screen a patient for MRSA carriage on admission?

1. AA sample of stool sent for culture
2. BA blood culture from one arm
3. CA swab from the front of the nose
4. DA clean-catch midstream urine sample

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

1. A126 mg/dL (7,0 mmol/L)
2. B40 mg/dL (2,2 mmol/L)
3. C70 mg/dL (3,9 mmol/L)
4. D100 mg/dL (5,6 mmol/L)

A young adult with new diabetes has a very low C-peptide level. What does this suggest?

1. AThe pancreas is making very little insulin, as in type 1 diabetes
2. BThe kidneys are excreting all of the patient's insulin in urine
3. CThe patient has high insulin resistance, as in type 2 diabetes
4. DThe patient is injecting too much insulin and needs a lower dose

On the first day after major surgery, a patient's white cell count is 12,5 × 10³/µL, with no fever or wound signs. What is the best interpretation?

1. AA sign of leukemia that needs bone marrow testing
2. BDefinite wound infection that needs antibiotics now
3. CA common stress response to surgery that is monitored
4. DA laboratory error, since surgery lowers white cells

Il laboratorio telefona al reparto con un valore critico di potassio di 6,9 mEq/L. Che cosa deve fare l'infermiere?

1. ARipetere il valore ad alta voce per conferma, valutare il paziente e informare il medico
2. BRegistrare il valore e passarlo al turno successivo
3. CAspettare che arrivi il referto scritto prima di fare qualsiasi cosa
4. DChiedere al laboratorio di ripetere il test prima di dirlo a qualcuno

A patient with diabetes had a glucose of 58 mg/dL (3,2 mmol/L), took 15 g of fast-acting carbohydrate and, 15 minutes later, the glucose is 64 mg/dL (3,6 mmol/L). The patient is alert. What should the nurse do next?

1. AGive a protein snack only and recheck tomorrow
2. BWait until the next meal before giving anything
3. CGive another 15 g of fast carbohydrate and recheck
4. DGive a long-acting insulin dose to stabilize it

A patient with suspected Cushing syndrome takes dexamethasone at night. The next morning, the cortisol is still high. What does this suggest?

1. ACortisol is being produced without normal feedback control
2. BThe result is normal, as dexamethasone raises cortisol
3. CThe patient has primary hypothyroidism instead
4. DThe adrenal glands are not able to produce enough cortisol