Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Why is glucose normally absent from the urine?

1. AThe tubules reabsorb all filtered glucose at normal blood levels
2. BGlucose is changed into ketones before it reaches the urine
3. CThe bladder lining breaks down any glucose that reaches the urine
4. DThe glomeruli do not filter glucose out of the blood at any level

Thrombocytopenia is usually defined as a platelet count below:

1. A150 × 10³/µL (150 × 10⁹/L)
2. B1,000 × 10³/µL (1,000 × 10⁹/L)
3. C15 × 10³/µL (15 × 10⁹/L)
4. D450 × 10³/µL (450 × 10⁹/L)

Which laboratory test is traditionally used to adjust a continuous infusion of unfractionated heparin?

1. AInternational normalized ratio (INR)
2. BPlatelet function assay (PFA-100 test)
3. CActivated partial thromboplastin time (aPTT)
4. DErythrocyte sedimentation rate (ESR)

A patient with type 2 diabetes has a target HbA1c below 7% (53 mmol/mol). Today's result is 7,8% (62 mmol/mol). What is the best interpretation?

1. AThe patient has had frequent episodes of severe hypoglycemia
2. BGlucose control has been excellent for the past several months
3. CAverage glucose over the past months has been above the target
4. DThe result shows today's fasting glucose is above the target

A patient with sickle cell disease takes hydroxyurea. Which laboratory test is monitored regularly for an adverse effect?

1. AUrine ketone level
2. BComplete blood count
3. CSerum lithium level
4. DSerum amylase level

Un paziente ha liquidi endovena in corso nell'avambraccio sinistro. Dove deve prelevare il campione di sangue l'infermiere?

1. ADal braccio opposto
2. BDalla cannula endovenosa mentre il liquido scorre
3. CDa qualsiasi vena, perché il liquido non influisce sui risultati
4. DAppena sopra il sito dell'accesso endovenoso nello stesso braccio

Viene ricoverato un paziente con sodio 132 mEq/L e glicemia 600 mg/dL (33,3 mmol/L). Perché il valore del sodio si interpreta con cautela?

1. AIl glucosio alto aumenta falsamente il sodio misurato, perciò in realtà è più basso
2. BIl glucosio alto richiama acqua nel sangue, diluendo il sodio
3. CIl risultato del sodio deve essere un errore di laboratorio
4. DIl glucosio non ha alcun effetto sul sodio misurato

The nurse teaches a patient with chronic kidney disease about a potassium-restricted diet. Which statement shows a need for further teaching?

1. A"I'll limit bananas, oranges and potatoes in my meals"
2. B"I'll check food labels and ask my dietitian about portion sizes"
3. C"Dried apricots and raisins will be a good snack for me now"
4. D"I can leach potatoes by soaking them before cooking them"