Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What is a typical reference range for the reticulocyte count in an adult?

1. AAbout 0,01–0,05% of red cells
2. BAbout 10–20% of red cells
3. CAbout 40–50% of red cells
4. DAbout 0,5–2% of red cells

What is a typical adult reference range for total serum bilirubin?

1. AAbout 3–12 mg/dL (51–205 µmol/L)
2. BAbout 0,03–0,1 mg/dL (0,5–1,7 µmol/L)
3. CAbout 10–20 mg/dL (171–342 µmol/L)
4. DAbout 0,3–1,2 mg/dL (5–21 µmol/L)

What does a raised erythrocyte sedimentation rate (ESR) show?

1. ADamage to heart muscle within the past few hours
2. BInflammation somewhere in the body, without showing where
3. CA low level of iron stored in the bone marrow
4. DA specific infection of the urinary tract by bacteria

Perché un paziente con insufficienza epatica può avere un INR elevato senza assumere warfarin?

1. AI reni smettono di eliminare i fattori della coagulazione dal sangue
2. BL'albumina è un fattore della coagulazione e il suo livello cala
3. CIl fegato produce la maggior parte dei fattori della coagulazione, perciò la produzione cala
4. DLa bilirubina distrugge direttamente i fattori della coagulazione

In the third trimester of pregnancy, a woman's alkaline phosphatase (ALP) is about twice the usual adult range, and the other liver tests are normal. What is the best interpretation?

1. AA normal rise from placental ALP
2. BA sign of new bone cancer
3. CA sign of acute viral hepatitis
4. DA sign of blocked bile ducts

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

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

The nurse teaches a patient who is starting warfarin. Which statement shows a need for further teaching?

1. A"I will have my INR checked as often as I am told to"
2. B"I will keep my intake of green leafy vegetables about the same"
3. C"If I miss a dose, I will take two tablets the next day"
4. D"I will tell my dentist and pharmacist that I take warfarin"

Two days after bowel surgery, a patient with nasogastric suction has a distended abdomen, absent bowel sounds and muscle weakness. The potassium is 2,8 mEq/L. Which interpretation is best?

1. AThe potassium is normal for the second day after surgery
2. BThe low potassium is due to the patient drinking too much water
3. CHypokalemia from gastric losses is contributing to paralytic ileus
4. DHyperkalemia from tissue damage is causing the bowel to stop