Phases of Swallowing

Question 1

what are the phases of Swallowing?
list them in order from
first to last

Answer 1

1. Anticipatory Phase (first phase)
2. Oral Phase
3. Pharyngeal Phase
4. Esophageal Phase (last phase)

Question 2

what phase of swallowing involves the actions….
…bolus to posterior of tongue and anterior tongue elevates to hard palate and retracts (forces bolus into orpharynx)
….posterior tongue elevated by mylohyoid and soft palate elevates?

Answer 2

Oral Phase

Question 3

what phase of swallowing involves….
…oral preparatory phase
…increase in salivary production
…food is masticated and w/tongue movement made?

Answer 3

Anticipatory Phase

Question 4

what phase of swallowing involves…
….relaxation of upper esophageal sphincter
…esophageal contractions (peristalsis)
…lower esophageal sphincter relaxes?

Answer 4

Esophageal Phase

Question 5

what phase of swallowing involves…
….soft palate posteriorly to the nasopharyngeal wall
…pharynx constriction by superior pharyngeal constrictor
…elevation of hyoid and larynx and anteriorly to epiglottis (passive airway closure)
…respiratory center in medulla briefly inhibited for swallowing(deglutition apnea)

Answer 5

Pharyngeal Phase

Question 6

this swallowing phase is a voluntary phase

(CN V, VII, and XII). name the phase

Answer 6

Oral Phase

Question 7

this swallowing phase involves Passive Reflex and is controlled by cranial nerves. name the phase and CN’s

Answer 7

Pharyngeal Phase;

CN V, X, XI, and XII