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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Name: ____________________   Date: ____________

1.Easy

Which laboratory test is used to monitor warfarin therapy?

  1. APT with INR
  2. BD-dimer
  3. CaPTT
  4. DPlatelet count
2.Easy

What is the usual urine dipstick result for protein in a healthy adult?

  1. ANegative or trace
  2. BAlways moderately positive
  3. CPositive only in the morning
  4. DStrongly positive (+++)
3.Easy

Which tube additive is used for a complete blood count (CBC)?

  1. ANo additive, clot activator (red top)
  2. BEDTA (usually a lavender or purple top)
  3. CSodium fluoride (usually a gray top)
  4. DSodium citrate (usually a light blue top)
4.Medium

A healthy woman at 28 weeks of pregnancy has a mildly lower hemoglobin than before pregnancy, with a normal MCV and ferritin. What is the most likely explanation?

  1. APregnancy hormones stop the bone marrow from making red cells
  2. BPlasma volume rises more than red cell mass, diluting the blood
  3. CThe fetus is destroying the mother's red cells in the circulation
  4. DIron is being lost through the kidneys during the pregnancy
5.Medium

A patient starts high-dose prednisone. Which laboratory change should the nurse expect?

  1. AA fall in serum sodium
  2. BA fall in the white cell count
  3. CA rise in blood glucose
  4. DA rise in serum potassium
6.Medium

Which change in clotting tests is normal in late pregnancy?

  1. AINR rises to about 3.0
  2. BaPTT doubles from baseline
  3. CFibrinogen and D-dimer rise
  4. DPlatelets rise above 600 × 10³/µL
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. AGestational diabetes
  2. BPhysiologic anemia of pregnancy
  3. CHELLP syndrome
  4. DAcute cholecystitis
8.Hard

A patient with long-standing rheumatoid arthritis has a hemoglobin of 10.5 g/dL (105 g/L), a low serum iron, a low total iron-binding capacity (TIBC) and a high-normal ferritin. Which condition fits best?

  1. AIron-deficiency anemia
  2. BVitamin B12 deficiency anemia
  3. CAnemia of chronic disease (inflammation)
  4. DAcute blood loss anemia

Answer key

  1. 1. A · PT with INR
  2. 2. A · Negative or trace
  3. 3. B · EDTA (usually a lavender or purple top)
  4. 4. B · Plasma volume rises more than red cell mass, diluting the blood
  5. 5. C · A rise in blood glucose
  6. 6. C · Fibrinogen and D-dimer rise
  7. 7. C · HELLP syndrome
  8. 8. C · Anemia of chronic disease (inflammation)

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