Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

The tumor marker CA-125 is most often used to follow which cancer?

1. AThyroid cancer
2. BColon cancer
3. CLung cancer
4. DOvarian cancer

Which condition commonly causes a high serum potassium?

1. ASevere diarrhea
2. BKidney failure
3. CLoop diuretic use
4. DRepeated vomiting

A urine albumin-to-creatinine ratio (ACR) of at least which value is usually called moderately increased albuminuria?

1. A300 mg/dL (3 mg/mL)
2. B3 mg/g (0,3 mg/mmol)
3. C30 mg/g (3 mg/mmol)
4. D3,000 mg/g (300 mg/mmol)

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

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

When several samples are drawn at the same venipuncture, which tubes or bottles are filled first?

1. ACoagulation (citrate) tubes
2. BFluoride (glucose) tubes
3. CEDTA (complete blood count) tubes
4. DBlood culture bottles

A patient is starting atorvastatin. Which laboratory test is usually checked at baseline?

1. ALiver enzymes
2. BBlood cultures
3. CThyroid antibodies
4. DSerum lipase

A young adult has fatigue, bruising and fever. The white cell count is 85 × 10³/µL with many blasts, the hemoglobin is 7,9 g/dL (79 g/L) and the platelets are 22 × 10³/µL. What is the most likely diagnosis?

1. AAcute viral infection
2. BAcute leukemia
3. CIron-deficiency anemia
4. DPolycythemia vera

A middle-aged man has fatigue, joint pain, a raised ALT and new diabetes. His ferritin is very high and his transferrin saturation is above 60%. Which condition is most likely?

1. AAnemia of chronic disease
2. BIron-deficiency anemia
3. CHereditary hemochromatosis
4. DAcute viral hepatitis A