Pursed lips during expiration is a sign of what?

• A. Pursed lips
• B. Tripod position
• C. Nasal flaring
• D. Sitting upright

Answer: (A)

Pursed-lip breathing during expiration signals an obstructive airway problem, such as COPD, where the airways tend to collapse as you breathe out. By exhaling through pursed lips, the person creates a small amount of positive pressure at the end of expiration. This helps keep the airways open longer, reduces airway resistance, and makes exhalation easier, which lowers the work of breathing and improves ventilation. Seeing this pattern means the patient is actively compensating for airway obstruction and breathing difficulty.

Other signs like a tripod posture, nasal flaring, or simply sitting upright describe different responses to distress rather than the specific expiratory technique. The tripod position uses accessory muscles to assist breathing but isn’t the expiratory strategy itself; nasal flaring indicates increased work of breathing more generally, and sitting upright is a general posture and not a distinctive sign of obstructive airway management.