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 form of bilirubin rises mainly when red cells are broken down faster than normal?

  1. AConjugated (direct)
  2. BUnconjugated (indirect)
  3. CStool bilirubin
  4. DUrine bilirubin
2.Easy

What does the red cell distribution width (RDW) describe?

  1. AHow fast the red cells settle in a tube
  2. BHow much the red cells vary in size
  3. CHow long red cells survive in the blood
  4. DHow many red cells are young cells
3.Easy

A raised eosinophil count is most typical of:

  1. AAllergic conditions and parasitic infections
  2. BViral infections such as glandular fever
  3. CAcute bacterial pneumonia and sepsis
  4. DAcute blood loss after trauma
4.Medium

A nurse has a needlestick injury from a patient with unknown HIV status. Which test is usually done for the nurse as soon as possible?

  1. AA thyroid panel test
  2. BA sweat chloride test
  3. CA serum lipase test
  4. DA baseline HIV test
5.Medium

A patient with iron-deficiency anemia started oral iron. Which result is usually the earliest sign that treatment is working?

  1. AA rise in the reticulocyte count
  2. BA rise in the platelet count
  3. CA fall in the mean cell volume (MCV)
  4. DA fall in the white cell count
6.Medium

A patient with hyperkalemia received IV regular insulin with dextrose. Which result must the nurse monitor closely over the next hours?

  1. ABlood glucose, because hypoglycemia can occur
  2. BSerum sodium, because it rises quickly
  3. CSerum calcium, because it falls sharply
  4. DHemoglobin, because insulin causes red cell loss
7.Hard

Which pattern of results fits SIADH?

  1. ALow serum sodium, high serum osmolality and dilute urine
  2. BHigh serum sodium, high serum osmolality and very dilute urine
  3. CNormal sodium with very dilute urine
  4. DLow serum sodium, low serum osmolality and concentrated urine
8.Hard

Two weeks after a sore throat, a child develops dark (cola-colored) urine, puffy eyes and high blood pressure. Urinalysis shows red cell casts and protein. Which condition is most likely?

  1. AKidney stone in the ureter
  2. BPost-streptococcal glomerulonephritis
  3. CPrerenal acute kidney injury
  4. DLower urinary tract infection (cystitis)

Answer key

  1. 1. B · Unconjugated (indirect)
  2. 2. B · How much the red cells vary in size
  3. 3. A · Allergic conditions and parasitic infections
  4. 4. D · A baseline HIV test
  5. 5. A · A rise in the reticulocyte count
  6. 6. A · Blood glucose, because hypoglycemia can occur
  7. 7. D · Low serum sodium, low serum osmolality and concentrated urine
  8. 8. B · Post-streptococcal glomerulonephritis

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