The nurse is teaching a client with emphysema how to do pursed-lip breathing. What is the expected outcome of using pursed-lip breathing? 1. Increased oxygenation. 3. Prolonged exhalation. 3. Absence...

The nurse is teaching a client with emphysema how to do pursed-lip breathing. What is the expected outcome of using pursed-lip breathing?

1. Increased oxygenation.

3. Prolonged exhalation.

3. Absence of respiratory infection.

4. Relief from shortness of breath.