Pursed-lip breathing is most commonly associated with which condition?

• A. Asthma
• B. Emphysema
• C. Pneumonia
• D. Pulmonary edema

Answer: (B)

Pursed-lip breathing helps keep airways open during exhalation by creating a small amount of back pressure as you breathe out. This slows expiration and prevents premature airway collapse, reducing the work of breathing and improving gas exchange. It is most commonly associated with emphysema, a form of COPD characterized by obstructed expiratory flow and air trapping, where this technique helps patients manage dyspnea and dynamic hyperinflation. While asthma can involve breathing techniques during distress, the classic association in exams is emphysema due to the chronic expiratory obstruction. Pneumonia and pulmonary edema don’t rely on pursed-lip breathing as a defining feature, since their primary issues are infection with consolidation and fluid overload, respectively.