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

  1. A3 mg/g (0.3 mg/mmol)
  2. B3,000 mg/g (300 mg/mmol)
  3. C30 mg/g (3 mg/mmol)
  4. D300 mg/dL (3 mg/mL)
2.Easy

What is a typical adult reference range for serum bicarbonate (total CO2) on a metabolic panel?

  1. AAbout 8–12 mEq/L
  2. BAbout 35–45 mEq/L
  3. CAbout 98–106 mEq/L
  4. DAbout 22–28 mEq/L
3.Easy

A laboratory reports that a blood sample is "hemolyzed." What does this mean?

  1. AThe sample has a very low hemoglobin
  2. BThe sample was taken from an artery
  3. CRed cells in the sample have broken open
  4. DThe sample contains too many platelets
4.Medium

A patient has had severe watery diarrhea for 4 days. Which laboratory pattern would the nurse expect?

  1. AHigh sodium and high calcium
  2. BHigh potassium and high bicarbonate
  3. CLow glucose and high magnesium
  4. DLow potassium and low bicarbonate
5.Medium

The heparin infusion rate was changed according to protocol. When is the aPTT usually rechecked?

  1. AAbout 30 minutes after the change
  2. BAbout 6 hours after the change
  3. COnly after the infusion is stopped
  4. DAbout 3 days after the change
6.Medium

Which finding during a transfusion suggests transfusion-associated circulatory overload (TACO)?

  1. AHives and itching without other signs
  2. BA low temperature and slow heart rate
  3. CCrackles, hypertension and a raised BNP
  4. DBack pain with dark red urine output
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. AHELLP syndrome
  2. BAcute cholecystitis
  3. CGestational diabetes
  4. DPhysiologic anemia of pregnancy
8.Hard

A patient with a platelet count of 35 × 10³/µL is prescribed an intramuscular injection. What should the nurse do?

  1. AGive the injection as prescribed and massage the site firmly
  2. BAsk the prescriber whether another route can be used
  3. CGive the injection with a longer needle
  4. DGive the injection and apply a heat pack

Answer key

  1. 1. C · 30 mg/g (3 mg/mmol)
  2. 2. D · About 22–28 mEq/L
  3. 3. C · Red cells in the sample have broken open
  4. 4. D · Low potassium and low bicarbonate
  5. 5. B · About 6 hours after the change
  6. 6. C · Crackles, hypertension and a raised BNP
  7. 7. A · HELLP syndrome
  8. 8. B · Ask the prescriber whether another route can be used

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