Lab values & electrolytes worksheet with answers

Free printable Lab values & electrolytes worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

A raised alpha-fetoprotein (AFP) in an adult is most closely linked to which cancer?

  1. AHepatocellular (liver) cancer
  2. BDuctal breast cancer
  3. CProstate adenocarcinoma
  4. DBladder urothelial cancer
2.Easy

Which urine test is used to screen people with diabetes for early kidney damage?

  1. AA urine culture for bacteria
  2. BThe urine albumin-to-creatinine ratio (ACR)
  3. CUrine specific gravity
  4. DA urine pregnancy test
3.Easy

Which hemoglobin value in an adult woman is below the typical reference range?

  1. A12.8 g/dL (128 g/L)
  2. B9.2 g/dL (92 g/L)
  3. C13.5 g/dL (135 g/L)
  4. D14.6 g/dL (146 g/L)
4.Medium

A patient is scheduled for a liver biopsy. Which laboratory results should the nurse check before the procedure?

  1. APlatelet count and PT/INR
  2. BSerum sodium and chloride
  3. CHbA1c and lipid panel
  4. DTSH and free T4
5.Medium

A stable adult who is not bleeding receives one unit of packed red cells. By about how much is the hemoglobin expected to rise?

  1. AAbout 1 g/dL (10 g/L)
  2. BAbout 0.1 g/dL (1 g/L)
  3. CAbout 5 g/dL (50 g/L)
  4. DAbout 3 g/dL (30 g/L)
6.Medium

A patient with an upper gastrointestinal bleed has a BUN of 48 mg/dL (urea 17 mmol/L) and a normal creatinine. What is the most likely explanation?

  1. ASkeletal muscle is breaking down because of the blood loss
  2. BThe liver has stopped making urea because of the bleeding
  3. CThe kidneys have suddenly lost most of their function
  4. DDigested blood adds protein, which the liver turns into urea
7.Hard

A woman who is 34 weeks pregnant has high blood pressure, right upper abdominal pain, a platelet count of 70 × 10³/µL, raised ALT and AST, and a raised LDH. Which condition fits best?

  1. AAcute cholecystitis
  2. BPhysiologic anemia of pregnancy
  3. CHELLP syndrome
  4. DGestational diabetes
8.Hard

An aPTT result is extremely high, but the nurse learns that the sample was taken from the arm where the heparin infusion runs. What is the best action?

  1. AGive protamine at once to reverse the heparin
  2. BRequest a new sample from the opposite arm before the dose is adjusted
  3. CAccept the result and halve the infusion rate
  4. DStop the heparin infusion permanently and inform the provider

Answer key

  1. 1. A · Hepatocellular (liver) cancer
  2. 2. B · The urine albumin-to-creatinine ratio (ACR)
  3. 3. B · 9.2 g/dL (92 g/L)
  4. 4. A · Platelet count and PT/INR
  5. 5. A · About 1 g/dL (10 g/L)
  6. 6. D · Digested blood adds protein, which the liver turns into urea
  7. 7. C · HELLP syndrome
  8. 8. B · Request a new sample from the opposite arm before the dose is adjusted

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