Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Per sodio e potassio, come si confronta 1 mEq/L con 1 mmol/L?

1. ASono uguali, perché ogni ione ha una sola carica
2. BNon si possono confrontare, perché misurano cose diverse
3. C1 mEq/L equivale a 2 mmol/L per questi ioni
4. D1 mEq/L equivale a 0,5 mmol/L per questi ioni

What is the main effect of parathyroid hormone (PTH) on serum calcium?

1. AIt raises serum calcium
2. BIt has no effect on calcium
3. CIt only changes urine calcium
4. DIt lowers serum calcium

What does the red cell distribution width (RDW) describe?

1. AHow long red cells survive in the blood
2. BHow fast the red cells settle in a tube
3. CHow many red cells are young cells
4. DHow much the red cells vary in size

L'emoglobina di un paziente è 7,8 g/dL (78 g/L). Quali reperti si aspetterebbe l'infermiere?

1. AFrequenza cardiaca lenta, cute arrossata e pressione arteriosa alta
2. BPrurito, cute gialla e urine scure
3. CStanchezza, pallore, frequenza cardiaca elevata e affanno da sforzo
4. DMal di testa, epistassi e viso arrossato

During a red cell transfusion, when are serious acute reactions most likely, so the nurse stays with the patient?

1. AIn the first 15 minutes
2. BAfter the last drop is given
3. CAfter about 2 hours
4. DThe next morning

A breathless patient in the emergency department has a BNP below 100 pg/mL. What does this suggest?

1. AThe patient has had a myocardial infarction in the past day
2. BHeart failure is an unlikely cause of the breathlessness
3. CSevere heart failure is certainly the cause of the problem
4. DThe kidneys are failing and the patient needs dialysis

A man of Mediterranean descent develops dark urine, jaundice and a falling hemoglobin a few days after eating fava beans. Which condition is most likely?

1. AVitamin B₁₂ deficiency anemia
2. BG6PD deficiency with acute hemolysis
3. CIron-deficiency anemia from poor diet
4. DSickle cell crisis with vaso-occlusion

A middle-aged man has fatigue, joint pain, a raised ALT and new diabetes. His ferritin is very high and his transferrin saturation is above 60%. Which condition is most likely?

1. AAcute viral hepatitis A
2. BHereditary hemochromatosis
3. CAnemia of chronic disease
4. DIron-deficiency anemia