CSD LAB 12: Swallowing

Question 1

deglutition

Answer 1

swallowing

Question 2

mastication

Answer 2

chewing

Question 3

dysphagia

Answer 3

swallowing disorder

Question 4

bolus

Answer 4

rounded mass of chewed food ready to be swallowed

Question 5

peristalsis

Answer 5

wave-like contraction of the pharyngeal constrictor muscles from top to bottom that helps move the bolus through the esophagus

Question 6

oral preparatory stage

Answer 6

• voluntary
• length of time: variable
  —depends how long it takes to chew
• begins when food is placed in the mouth and masticated, if necessary
• ends when food is brought into a cohesive bolus
• airway: open
• velopharyngeal port: open
  musculature involved:
• muscles of the tongue to gather food into a bolus
• muscles of mastication to open the mouth and chew