Scheda di esercizi di Valori di laboratorio ed elettroliti con soluzioni

What is the main effect of aldosterone on the kidneys?

1. ACalcium is retained and phosphate is excreted
2. BSodium is excreted and potassium is retained
3. CGlucose is retained and urea is excreted
4. DSodium is retained and potassium is excreted

Which fasting plasma glucose meets the usual diagnostic threshold for diabetes when confirmed on a second test?

1. A126 mg/dL (7,0 mmol/L) or higher
2. B110 mg/dL (6,1 mmol/L) or higher
3. C200 mg/dL (11,1 mmol/L) or higher
4. D100 mg/dL (5,6 mmol/L) or higher

Why can bilirubin appear in the urine in obstructive jaundice but not in hemolytic jaundice?

1. AHemolysis stops the kidneys making any urine at all
2. BThe kidneys are always damaged in obstructive jaundice
3. CUnconjugated bilirubin is broken down in the bladder
4. DOnly conjugated bilirubin is water soluble and filtered

A patient with acute pancreatitis has muscle twitching and numbness around the mouth. Which laboratory value should the nurse check?

1. ASerum chloride
2. BSerum amylase
3. CSerum sodium
4. DSerum calcium

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

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

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

Which patient's result should the nurse act on first?

1. APlatelets 140 × 10³/µL in a patient with mild chronic liver disease
2. BHemoglobin 6,4 g/dL (64 g/L) with new chest pain and a pulse of 124/min
3. CHemoglobin 9,6 g/dL (96 g/L) in a patient with stable chronic kidney disease
4. DFerritin 15 ng/mL in a well patient with known iron-deficiency anemia on oral iron

A young woman with frequent self-induced vomiting has swollen salivary glands. Which laboratory pattern is most likely?

1. ALow sodium, low bicarbonate and high lipase
2. BLow potassium, high bicarbonate and high amylase
3. CHigh calcium, high phosphate and high glucose
4. DHigh potassium, low bicarbonate and low amylase