Exam 5 Stages of Mastication and Deglutition

CSD380

Oral Preparatory Stage is also known as

Mastication

Oral Transport Stage is also known as

Propulsion of bolus

Pharyngeal Stage is also known as

Pharyngeal swallow

Esophageal Stage is also known as

Esophageal Transit

Sensory receptors in the oral cavity continually monitor the bolus

Oral Preparatory

Bolus pushed back toward the oropharynx by the tongue in a front to back squeezing action

Oral Transport

Mandibular and tongue muscles are involved in what stage of mastication

Oral Transport

Begins when bolus passes faucial pillars (initiating reflex) and involuntary muscle contractions

Pharyngeal Stage

Food passes around epiglottis/aryepiglottic folds through the pyriform sinuses to the esophagus posterior to the larynx/trachea

Pharyngeal Stage

Name the first functional operation of the pharyngeal stage

Hyolaryngeal elevation

Name the second functional operation of the pharyngeal stage

Vocal fold adduction

Name the third functional operation of the pharyngeal stage

Epiglottic Inversion

Name the fourth functional operation of the pharyngeal stage

Velopharyngeal Closure

Name the final stage of mastication and deglutition

Esophageal Stage