A nurse is caring for a client with COPD who is experiencing an acute exacerbation. The client's oxygen saturation is 88% on room air, respiratory rate is 28/min, and the client is using accessory muscles. The client appears anxious and states "I can't catch my breath." ABG results show: pH 7.25, PaCO2 70 mmHg, PaO2 55 mmHg, HCO3- 32 mEq/L. Which nursing intervention should be the priority?

• 1 Administer bronchodilator medication as prescribed
• 2 Position the client in high Fowler's position
• 3 Apply low-flow oxygen therapy at 1-2 L/min via nasal cannula ✓ 정답
• 4 Encourage pursed-lip breathing techniques

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