swallowing mechanism

Question 1

4 stages of swallow in adults

Answer 1

1. oral preperation
2. oral transit
3. pharyngeal
4. esophageal

Question 2

pre oral

Answer 2

involves alertness, food selection, and food presentation into the oral cavity

Question 3

oral cavity

Answer 3

responsible for bolus containment and preperation

Question 4

oropharynx

Answer 4

propulsion and velopharyngeal function

Question 5

bolus retention (oral prep)

Answer 5

lip closure, tongue position, position of the velum

Question 6

mastication

Answer 6

-lips retain and direct food back to tongue and teeth
-tongue positions food to a position where it can be chewed usually the molars
-teeth grind the food
-tongue takes the food mixes with saliva then back to teeth

Question 7

anterior 2/3 of tongue for taste

Answer 7

facial cranial nerve

Question 8

posterior 1/3 of tongue

Answer 8

glossopharyngeal nerve