Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

Which laboratory test is used to diagnose sickle cell disease?

1. AProthrombin time with INR
2. BHemoglobin electrophoresis
3. CSerum ferritin and transferrin saturation
4. DErythrocyte sedimentation rate

In una persona che non assume anticoagulanti, l'INR è tipicamente circa:

1. A2,0–3,0
2. B5,0–6,0
3. C3,5–4,5
4. D0,8–1,2

An eGFR below which value indicates stage 5 chronic kidney disease (kidney failure)?

1. A45 mL/min/1,73 m²
2. B90 mL/min/1,73 m²
3. C60 mL/min/1,73 m²
4. D15 mL/min/1,73 m²

A patient taking furosemide has a potassium of 3,3 mEq/L and is told to eat more potassium-rich foods. Which snack is the best choice?

1. ARice cakes
2. BDried apricots
3. CWhite bread
4. DPlain crackers

A patient has taken a proton pump inhibitor (such as omeprazole) for many years and now has muscle cramps and tremor. Which electrolyte is most likely to be low?

1. AMagnesium
2. BChloride
3. CSodium
4. DPhosphate

Un paziente riceve enoxaparina sottocute (un'eparina a basso peso molecolare). Quale affermazione sul monitoraggio è corretta?

1. AL'INR si usa per regolare ogni dose, come con il warfarin
2. BL'aPTT deve essere controllato ogni 6 ore per regolare la dose
3. CNon servono mai esami del sangue di alcun tipo
4. DNessun aPTT di routine; si controllano invece piastrine e funzione renale

A patient with sepsis has the following new results. Which set best shows organ dysfunction?

1. APlatelets 70 × 10³/µL, creatinine doubled, bilirubin raised
2. BHemoglobin 12,5 g/dL, sodium 138 mEq/L, glucose 105 mg/dL
3. CCalcium 9,4 mg/dL, phosphate 3,5 mg/dL, magnesium 1,9 mEq/L
4. DWBC 11,5 × 10³/µL, potassium 4,2 mEq/L, albumin 3,8 g/dL

A patient started methimazole for hyperthyroidism 6 weeks ago and now has a fever and a severe sore throat. Which action is most important?

1. AHold the drug and arrange an urgent white cell and neutrophil count
2. BGive the next dose and suggest warm salt-water gargles for comfort
3. CAdvise the patient to continue the drug and drink more fluid
4. DCheck the TSH and double the dose if it is still low