What defines the esophageal phase of swallowing?

What defines the esophageal phase of swallowing?

• A. Moving food from the mouth to the pharynx
• B. Swallow reflex initiation
• C. Transporting food from the esophagus to the stomach
• D. Adjusting the feeding schedule

Answer: (C)

The esophageal phase of swallowing is characterized by the transportation of food from the esophagus to the stomach. This phase begins once the swallow reflex has been initiated and the bolus of food has passed through the pharynx. The primary action during this phase involves peristaltic movements – coordinated, wave-like muscle contractions that push the food down the length of the esophagus. In this stage, the lower esophageal sphincter then relaxes to allow the bolus to enter the stomach. The successful completion of this phase is essential for preventing aspiration and ensuring that the food enters the digestive system appropriately. The other phases, such as the oral phase which involves moving food from the mouth to the pharynx and the pharyngeal phase which concerns the initiation of the swallow reflex, are distinct from the esophageal phase. Additionally, adjusting the feeding schedule pertains to dietary management rather than the mechanical and reflexive processes involved in swallowing itself.

The esophageal phase of swallowing is characterized by the transportation of food from the esophagus to the stomach. This phase begins once the swallow reflex has been initiated and the bolus of food has passed through the pharynx. The primary action during this phase involves peristaltic movements – coordinated, wave-like muscle contractions that push the food down the length of the esophagus.

In this stage, the lower esophageal sphincter then relaxes to allow the bolus to enter the stomach. The successful completion of this phase is essential for preventing aspiration and ensuring that the food enters the digestive system appropriately.

The other phases, such as the oral phase which involves moving food from the mouth to the pharynx and the pharyngeal phase which concerns the initiation of the swallow reflex, are distinct from the esophageal phase. Additionally, adjusting the feeding schedule pertains to dietary management rather than the mechanical and reflexive processes involved in swallowing itself.