Lab Value Quiz: Normal Or Critical?

1. A patient's BUN (blood urea nitrogen) is 85 mg/dL. Is this normal or critical?

Normal

Slightly elevated

Critical—severe kidney dysfunction

Critical—dehydration only

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3. A patient's troponin I is 2.5 ng/mL. Is this normal or critical?

Normal—no cardiac injury

Critical—acute myocardial infarction

Borderline—recheck in 3 hours

Normal variant—reassure patient

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5. A patient's serum phosphate is 1.2 mg/dL. Is this normal or critical?

Normal

Slightly low

Critical—hypophosphatemia

Critical—hyperphosphatemia

Submit

7. A patient's hematocrit is 18%. Is this normal or critical?

Normal for adult female

Normal for adult male

Critical—severe anemia

Slightly low—no intervention

Submit

9. A patient's magnesium is 0.9 mg/dL. Is this normal or critical?

Normal

Slightly low

Critical—hypomagnesemia

Critical—hypermagnesemia

Submit

11. A patient's serum sodium is 120 mEq/L. Is this value normal or critical?

Normal

Critical—hyponatremia

Low-normal

Critical—hypernatremia

Submit

13. A patient's pH is 7.20 with CO₂ 32 mmHg. Is this normal or critical?

Normal pH and CO₂

Critical—respiratory acidosis

Critical—metabolic acidosis

Critical—respiratory alkalosis

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15. A patient's INR (International Normalized Ratio) is 8.5 on warfarin. Is this normal or critical?

Normal for warfarin therapy

Critical—elevated bleeding risk

Subtherapeutic

Normal—no intervention needed

Submit

17. A patient's serum calcium is 6.8 mg/dL. Is this normal or critical?

Normal

Critical—hypocalcemia

Slightly low

Critical—hypercalcemia

Submit

19. A patient's blood glucose is 450 mg/dL. Is this normal or critical?

Normal

Slightly elevated

Critical—hyperglycemia

Critical—hypoglycemia

Submit

Lab Value Quiz: Normal or Critical?

1. A patient's BUN (blood urea nitrogen) is 85 mg/dL. Is this normal or critical?

2.

What first name or nickname would you like us to use?

2. Normal prothrombin time (PT) is approximately ____.

3. A patient's troponin I is 2.5 ng/mL. Is this normal or critical?

4. Normal bicarbonate (HCO₃⁻) is approximately ____.

5. A patient's serum phosphate is 1.2 mg/dL. Is this normal or critical?

6. Normal chloride level is approximately ____.

7. A patient's hematocrit is 18%. Is this normal or critical?

8. Normal fasting blood glucose is approximately ____.

9. A patient's magnesium is 0.9 mg/dL. Is this normal or critical?

10. Normal albumin level is approximately ____.

11. A patient's serum sodium is 120 mEq/L. Is this value normal or critical?

12. Normal platelet count is approximately ____.

13. A patient's pH is 7.20 with CO₂ 32 mmHg. Is this normal or critical?

14. Normal white blood cell (WBC) count is approximately ____.

15. A patient's INR (International Normalized Ratio) is 8.5 on warfarin. Is this normal or critical?

16. Normal creatinine range for adults is approximately ____.

17. A patient's serum calcium is 6.8 mg/dL. Is this normal or critical?

18. Normal hemoglobin for adult females is approximately ____.

19. A patient's blood glucose is 450 mg/dL. Is this normal or critical?

20. Normal serum potassium range is approximately ____.