Question: Why do patients with emphysema often have pursed lips when exhaling? Select the three correct answers. Keeps the airways from collapsing Helps to increase the

Why do patients with emphysema often have pursed lips when exhaling? Select the three correct answers.
Keeps the airways from collapsing
Helps to increase the pressure in the airways
Helps release trapped air
Helps to decrease pressure in the airways
Prevents too much air from escaping
Why do patients with emphysema often have pursed

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