Based on the results of the arterial blood gases (ABGs), what imbalance does the nurse understand the client to be exhibiting? ABGs: pH - 7.35 PaO2 - 95% PaCO2 - 49 HCO3 - 30 1. Respiratory acidosis compensated 2. Respiratory acidosis partially compensated 3. Metabolic acidosis compensated 4. Metabolic acidosis partially compensated