What are the 4 stages of the swallowing process?

There are 4 phases of swallowing:

  • The Pre-oral Phase. – Starts with the anticipation of food being introduced into the mouth – Salivation is triggered by the sight and smell of food (as well as hunger)
  • The Oral Phase.
  • The Pharyngeal Phase.
  • The Oesophageal Phase.

What are the phases of dysphagia?

What is dysphagia?

  • Oral preparatory phase. During this phase, you chew your food to a size, shape, and consistency that can be swallowed.
  • Pharyngeal phase. Here, the muscles of your pharynx contract in sequence.
  • Esophageal phase. The muscles in your esophagus contract in sequence to move the bolus toward your stomach.

Which cranial nerves are necessary for the 4 phases of swallowing?

Coordination of swallowing is controlled by the trigeminal (CN V), facial (CN VII), glossopharyngeal (CN IX), vagus (X), and hypoglossal (CN XII) nerves and their nuclei. These nerves and nuclei are themselves controlled by areas of the reticular formation known as the swallowing center.

What is dysphagia oral phase?

Oral dysphagia refers to problems with using the mouth, lips and tongue to control food or liquid. Pharyngeal dysphagia refers to problems in the throat during swallowing. Dysphagia may lead to aspiration (where food or liquid gets into the lungs). Dysphagia can affect a person at any age, from infants to the elderly.

How many stages of deglutition are there quizlet?

Three phases of swallowing (deglutition)

What is oral phase dysphagia?

How do you evaluate swallowing?

A videofluoroscopy assesses your swallowing ability. It takes place in the X-ray department and provides a moving image of your swallowing in real time. You’ll be asked to swallow different types of food and drink of different consistencies, mixed with a non-toxic liquid called barium that shows up on X-rays.

What is the esophageal stage?

Esophageal stage The esophagus is a tubular structure from the lower part of the UES to the lower esophageal sphincter (LES). The lower esophageal sphincter is also tensioned at rest to prevent regurgitation from the stomach. It relaxes during a swallow and allows the bolus passage to the stomach.