Acid–Base/ABG Interpretation Practice Test

A 73-year-old client with chronic kidney disease has ongoing gastric suction and reports muscle cramps; vital signs: temperature 36.5°C (97.7°F), heart rate 88/min, respiratory rate 12/min, blood pressure 104/64 mm Hg, oxygen saturation 98% on room air. ABG results: pH 7.49, PaCO2 47 mm Hg, HCO3 35 mEq/L, PaO2 93 mm Hg. What is the nurse's PRIORITY action based on these ABG results?

A 50-year-old client is post-operative and on a ventilator with a high set respiratory rate; the client is awake and appears anxious; vital signs: heart rate 108/min, blood pressure 136/78 mm Hg, oxygen saturation 99%. ABG results: pH 7.57, PaCO2 23 mm Hg, HCO3 21 mEq/L, PaO2 115 mm Hg. Based on the ABG, which treatment should the nurse QUESTION?