Lip licking is a sign most closely associated with which swallowing phase?

• A. Esophageal/Gastroesophageal phase
• B. Oral preparatory phase
• C. Cricopharyngeal-pharyngeal phase
• D. None of the above

Answer: (A)

Lip licking reflects a response associated with the esophageal phase of swallowing. After the swallow, if esophageal events such as regurgitation, reflux, or lingering residue occur, a person may instinctively lick the lips to moisten and clear the mouth. This post-swallow, mouth-clearing action is best linked to the esophageal/gastroesophageal stage, where the bolus is moving through the esophagus and distal symptoms can prompt such oral–motor adjustments. It’s not a typical sign of the initial bolus formation and manipulation in the oral preparatory phase, nor is it specifically tied to the cricopharyngeal-pharyngeal phase of the swallow.