A nurse is caring for a client with moderate COPD who has been admitted with an acute exacerbation. The client's arterial blood gas results show pH 7.28, PaCO2 70 mmHg, PaO2 50 mmHg, and HCO3- 30 mEq/L. The client is receiving oxygen via nasal cannula at 2 L/min and appears anxious and restless. Which nursing intervention should the nurse implement first?

• 1 Increase the oxygen flow rate to 6 L/min to improve oxygenation
• 2 Administer prescribed anxiolytic medication to reduce anxiety
• 3 Encourage the client to perform deep breathing exercises
• 4 Position the client in high Fowler's position ✓ 정답

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