Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

A raised lymphocyte count is most typical of:

1. AViral infections
2. BBacterial abscesses
3. CIron deficiency
4. DAllergic asthma

Qual è il principale catione nel liquido intracellulare?

1. ACloruro
2. BPotassio
3. CCalcio
4. DSodio

A urine dipstick is positive for nitrites. What does this most likely show?

1. AKetones produced from fat breakdown in fasting
2. BGlucose spilling into the urine from high blood levels
3. CBacteria in the urine that convert nitrate to nitrite
4. DRed blood cells leaking from the glomeruli

A patient on peritoneal dialysis notices that the drained fluid is cloudy and has abdominal pain. What should the nurse do?

1. ARecord it as normal and continue the usual exchanges
2. BAdd more glucose to the next bag to clear the fluid
3. CStop dialysis for a week and recheck the fluid later
4. DSend the fluid for cell count and culture and report it

Quando un paziente con malattia renale cronica deve assumere un legante del fosfato come l'acetato di calcio o il sevelamer?

1. APrima di dormire a stomaco vuoto
2. BSolo quando il paziente si sente male
3. CSolo una volta alla settimana
4. DAi pasti

When should a blood sample for a digoxin level be drawn to be interpreted correctly?

1. AAt least 6–8 hours after a dose, often just before the next one
2. BWithin 30 minutes after an oral dose to show the peak level
3. COnly after a meal, because food is needed for absorption
4. DAt any time, because digoxin levels do not change during the day

A patient with severe sepsis is oozing blood from IV sites. Platelets 40 × 10³/µL, fibrinogen low, D-dimer very high, PT and aPTT both prolonged. Which condition fits best?

1. AImmune thrombocytopenic purpura (ITP)
2. BDisseminated intravascular coagulation (DIC)
3. CHeparin-induced thrombocytopenia (HIT)
4. DHemophilia A (factor VIII deficiency)

At the start of a shift, the nurse reviews four new results. Which patient needs attention first?

1. AHemoglobin 11,0 g/dL (110 g/L) in a patient with rheumatoid arthritis
2. BPotassium 5,2 mEq/L in a patient with stable chronic kidney disease
3. CSodium 119 mEq/L in a patient with new confusion and vomiting
4. DGlucose 180 mg/dL (10 mmol/L) after a meal in a patient with diabetes