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. BStool bilirubin
  3. CUnconjugated (indirect)
  4. DUrine bilirubin
2.Easy

Which fasting blood glucose is within the typical normal range for an adult without diabetes?

  1. A140 mg/dL (7.8 mmol/L)
  2. B210 mg/dL (11.7 mmol/L)
  3. C45 mg/dL (2.5 mmol/L)
  4. D85 mg/dL (4.7 mmol/L)
3.Easy

For a fasting plasma glucose test, the patient should have had no caloric intake for at least:

  1. A24 hours
  2. B3 hours
  3. C1 hour
  4. D8 hours
4.Medium

A patient's eGFR has fallen to 24 mL/min/1.73 m². Which prescribed drug should the nurse question before giving it?

  1. AAcetaminophen (paracetamol)
  2. BLevothyroxine
  3. CInsulin glargine
  4. DMetformin
5.Medium

Which technique is recommended for a capillary blood glucose test on an adult's finger?

  1. ASqueeze the finger very hard
  2. BPrick the side of the fingertip
  3. CUse the same finger every time
  4. DPrick the center of the fingertip
6.Medium

Why is a blood β-hydroxybutyrate level often preferred to a urine ketone dipstick in DKA?

  1. AIt measures the main ketone in DKA, and the dipstick may miss it
  2. BIt shows the average ketone level over the past three months
  3. CIt is the only test that can measure glucose and ketones together
  4. DThe urine dipstick only detects ketones in people without diabetes
7.Hard

The nurse teaches a patient who is collecting a 24-hour urine sample at home. Which statement shows a need for further teaching?

  1. A"If I forget to save one void, I'll just carry on to the end"
  2. B"I'll ask whether any foods or drugs should be avoided first"
  3. C"I'll keep the container cool as the laboratory told me to"
  4. D"I'll empty my bladder at the end time and add that urine"
8.Hard

An RN cares for a patient on a 24-hour urine collection. Which task can be delegated to unlicensed assistive personnel (UAP), such as a nursing or healthcare assistant?

  1. ATeaching the patient why the 24-hour collection is needed
  2. BDeciding whether to restart the collection after a missed sample
  3. CInterpreting the creatinine clearance result when it comes back
  4. DSaving all urine in the collection container as instructed

Answer key

  1. 1. C · Unconjugated (indirect)
  2. 2. D · 85 mg/dL (4.7 mmol/L)
  3. 3. D · 8 hours
  4. 4. D · Metformin
  5. 5. B · Prick the side of the fingertip
  6. 6. A · It measures the main ketone in DKA, and the dipstick may miss it
  7. 7. A · "If I forget to save one void, I'll just carry on to the end"
  8. 8. D · Saving all urine in the collection container as instructed

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