Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Quando si gonfia il bracciale della pressione sul braccio, la mano del paziente va in spasmo con il polso flesso. Quale disturbo elettrolitico suggerisce questo segno?

1. AIpercalcemia
2. BIpernatriemia
3. CIperkaliemia
4. DIpocalcemia

In iron-deficiency anemia, the total iron-binding capacity (TIBC) is usually:

1. AHigh
2. BAbsent
3. CLow
4. DNormal

Quale valore di HbA1c soddisfa la soglia diagnostica usuale per il diabete?

1. A5,5% (37 mmol/mol) o superiore
2. B4,5% (26 mmol/mol) o superiore
3. C5,0% (31 mmol/mol) o superiore
4. D6,5% (48 mmol/mol) o superiore

A patient with pneumonia had a CRP of 180 mg/L on admission and 40 mg/L after 4 days of antibiotics. What does this most likely show?

1. AThe antibiotic is causing liver damage
2. BThe infection has spread to another organ
3. CThe patient has developed a new infection
4. DThe inflammation is settling with treatment

A urine culture report states "mixed growth of three organisms, likely contamination." What is the nurse's best response?

1. AStart treatment for all three organisms with three antibiotics
2. BDiscard the report, because a mixed growth is always normal
3. CRecord the result as a confirmed urinary tract infection
4. DInform the provider and arrange a new, correctly collected sample

How should a patient collect a clean-catch midstream urine sample?

1. ACollect urine from the toilet bowl after voiding into the toilet
2. BClean the area, start voiding into the toilet, then catch the middle part
3. CCollect the very first urine of the stream directly in the sterile cup
4. DFill the cup completely, then add tap water if there is not enough

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

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

Un paziente con chetoacidosi diabetica riceve un'infusione endovenosa di insulina. Quale valore di laboratorio deve essere monitorato con particolare attenzione?

1. AIl potassio, perché l'insulina lo sposta nelle cellule e può calare rapidamente
2. BL'albumina, perché l'insulina fa smettere al fegato di produrla
3. CIl sodio, perché l'insulina fa eliminare ai reni quantità molto grandi di sodio
4. DL'emoglobina, perché l'insulina distrugge i globuli rossi