A nurse is teaching a patient with chronic obstructive pulmonary disease (COPD) about breathing techniques. Which statement by the patient demonstrates understanding of pursed-lip breathing?
- I should inhale through pursed lips and exhale through my nose
- I should inhale through my nose and exhale slowly through pursed lips
- I should take quick, shallow breaths through pursed lips
- I should hold my breath after inhaling through pursed lips