Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What is the main role of fibrinogen in the blood?

1. AIt transports iron from the gut to the bone marrow
2. BIt breaks down clots once the bleeding has stopped
3. CIt is converted to fibrin, which forms the mesh of a clot
4. DIt carries oxygen from the lungs to the body tissues

Quale ione è il principale anione nel liquido extracellulare?

1. AFosfato
2. BCloruro
3. CPotassio
4. DBicarbonato

Which drug commonly causes a low serum potassium?

1. ASpironolactone
2. BFurosemide
3. CLisinopril
4. DAmiloride

When is a peak level for an IV aminoglycoside such as gentamicin usually drawn?

1. AJust before the next dose is started
2. BExactly 24 hours after the first dose
3. CAbout 30 minutes after the infusion ends
4. DAt any time convenient for the patient

A patient with diabetes is found unconscious with a blood glucose of 38 mg/dL (2,1 mmol/L). Which treatment is appropriate?

1. AGlucagon by injection, or IV dextrose as prescribed
2. BOrange juice poured slowly into the patient's mouth
3. CGlucose tablets placed between the patient's teeth
4. DA dose of rapid-acting insulin to stabilize the glucose

A blood sample drawn just after a patient ate a fatty meal is reported as "lipemic." What does this mean for the results?

1. AThe results are more accurate than in a fasting sample
2. BThe sample was contaminated by an IV fluid with dextrose
3. CThe sample shows the patient has diabetic ketoacidosis
4. DHigh fat in the sample may interfere with some test results

A patient has painless jaundice, itching, dark urine and pale stools. ALP is markedly raised, conjugated (direct) bilirubin is high and ALT is only mildly raised. What is the most likely cause?

1. AAcute viral hepatitis with widespread liver cell damage
2. BIncreased breakdown of red blood cells (hemolytic anemia)
3. CGilbert syndrome, a harmless inherited bilirubin disorder
4. DBlockage of bile flow, for example by a tumor in the bile duct

Quale insieme di risultati è più tipico dell'anemia da carenza di ferro?

1. AEmoglobina normale con sola conta piastrinica alta
2. BEmoglobina bassa, globuli rossi piccoli (MCV basso) e ferritina bassa
3. CEmoglobina alta ed ematocrito alto
4. DEmoglobina bassa, globuli rossi grandi (MCV alto) e ferritina alta