Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

A tuberculin skin test (TST) is read as positive. What does this mean?

1. AThe person has been infected with TB bacteria at some point
2. BThe person has never been exposed to TB bacteria
3. CThe person definitely has active, contagious pulmonary TB
4. DThe person is fully immune and can never develop TB

Quale test epatico aumenta soprattutto quando le cellule del fegato sono danneggiate?

1. ACreatinchinasi (CK)
2. BALT (alanina aminotransferasi)
3. CAzoto ureico ematico (BUN)
4. DEmoglobina glicata (HbA1c)

On urinalysis, dark amber urine with a high specific gravity most often suggests:

1. ANormal urine after drinking extra water
2. BUrine with a large amount of glucose
3. CConcentrated urine from low fluid intake
4. DVery dilute urine from high fluid intake

La conta dei globuli bianchi di un paziente è 16 × 10³/µL con un'alta proporzione di neutrofili immaturi (forme a bastoncello). Che cosa indica più probabilmente?

1. AUn'infezione batterica acuta
2. BAnemia da carenza di ferro
3. CUn risultato normale
4. DSolo una malattia virale cronica

Which finding during a transfusion suggests transfusion-associated circulatory overload (TACO)?

1. ABack pain with dark red urine output
2. BHives and itching without other signs
3. CCrackles, hypertension and a raised BNP
4. DA low temperature and slow heart rate

Which technique is recommended for a capillary blood glucose test on an adult's finger?

1. ASqueeze the finger very hard
2. BUse the same finger every time
3. CPrick the side of the fingertip
4. DPrick the center of the fingertip

A nursing student has a positive interferon-gamma release assay (IGRA) for tuberculosis, no symptoms and a normal chest X-ray. What does this most likely mean?

1. ALatent TB infection, which is not contagious
2. BA false result, as the test does not detect TB
3. CPast BCG vaccination only, with no infection
4. DActive pulmonary TB, which is contagious

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 result is normal, as dexamethasone raises cortisol
3. CCortisol is being produced without normal feedback control
4. DThe patient has primary hypothyroidism instead