Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Quale glicemia a digiuno rientra nell'intervallo normale tipico per un adulto senza diabete?

1. A85 mg/dL (4,7 mmol/L)
2. B210 mg/dL (11,7 mmol/L)
3. C45 mg/dL (2,5 mmol/L)
4. D140 mg/dL (7,8 mmol/L)

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

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

Qual è un tipico intervallo di riferimento per l'osmolalità sierica?

1. ACirca 135–145 mOsm/kg
2. BCirca 400–500 mOsm/kg
3. CCirca 50–100 mOsm/kg
4. DCirca 275–295 mOsm/kg

Un paziente in terapia con furosemide ha un potassio di 2,9 mEq/L. Quale reperto si aspetterebbe l'infermiere?

1. ADiarrea e crampi addominali da intestino iperattivo
2. BFormicolio attorno alla bocca con segno di Chvostek positivo
3. COnde T alte e appuntite all'ECG
4. DDebolezza muscolare e crampi alle gambe

A patient takes high-dose furosemide. Besides potassium, which electrolyte is most commonly lowered?

1. APhosphate
2. BUric acid
3. CSodium bicarbonate
4. DMagnesium

A patient with central diabetes insipidus starts desmopressin. Which laboratory result is most important to monitor for an adverse effect?

1. ASerum glucose, which may rise very high
2. BSerum potassium, which may rise too high
3. CSerum calcium, which may rise too high
4. DSerum sodium, which may fall too low

Which patient's result should the nurse act on first?

1. APlatelets 140 × 10³/µL in a patient with mild chronic liver disease
2. BHemoglobin 6,4 g/dL (64 g/L) with new chest pain and a pulse of 124/min
3. CHemoglobin 9,6 g/dL (96 g/L) in a patient with stable chronic kidney disease
4. DFerritin 15 ng/mL in a well patient with known iron-deficiency anemia on oral iron

A stable patient's hemoglobin has been 13–14 g/dL for days. Today's result is 8,2 g/dL, but the patient feels well, the vital signs are normal and there is no bleeding. What should the nurse suspect first?

1. AA normal day-to-day variation in Hb
2. BA sample taken from the wrong patient
3. CAcute bone marrow failure overnight
4. DSudden massive internal bleeding