A preschool-aged client, diagnosed with croup, has an increased pCO2, a decreased pH, and a normal HCO3 blood-gas value. Which documentation in the medical record is the most appropriate?
1. Uncompensated respiratory acidosis
2. Uncompensated respiratory alkalosis
3. Uncompensated metabolic acidosis
4. Uncompensated metabolic alkalosis
Correct Answer: 1
Rationale: If the pH is decreased and the pCO2 is increased with a normal HCO3, it is uncompensated respiratory acidosis. Also, croup can be a disease process that causes respiratory acidosis. Uncompensated respiratory alkalosis has an increased pH, decreased pCO2 and normal HCO3; uncompensated metabolic acidosis has a decreased pH, normal pCO2 and normal HCO3; and uncompensated metabolic alkalosis has an increased pH, normal pCO2, and increased HCO3.
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