The client's arterial blood gas reveals pH 7.49, PaCO2 31, and HCO3– 25. Which acid-base imbalance does the nurse determine the client has?
1. Metabolic acidosis
2. Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis
4
4. The nurse concludes the client has respiratory alkalosis because the pH is above normal at 7.49 (alkalosis) and the PaCO2 is below normal (indicating lack of H+, al-kalosis).
1. If the client has metabolic acidosis, the HCO3– should be less than 22.
2. If the client has metabolic alkalosis, the pH should be greater than 7.45 and the HCO3– greater than 26.
3. If the client has respiratory acidosis, the PaCO2 should be greater than 45.
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