Viscerals Of The Neck 2 (Swallowing)

Question 1

1. Swallowing is brought by contraction of the ______________ on both sides, which pull the root of the tongue upward and backward

Answer 1

Styloglossus muscle

Question 2

2. The _______________ squeezes the bolus backward into the __________; from this point onward, the process of swallowing becomes an involuntary act

Answer 2

Palatoglossus muscle, pharynx

Question 3

3. During swallowing, nasopharynx is shut off from the oropharynx ______________________________________________________________ > prevents passage of food and drink into the nasal cavities

Answer 3

by the elevation of the soft palate,
the pulling forward of the posterior wall of the pharynx,
and the pulling medially of the palatopharyngeal folds

Question 4

4. larynx and laryngopharynx are then pulled upward by the contraction of the _________________________

Answer 4

stylopharyngeus,
salpingopharyngeus,
thyrohyoid
and palatopharyngeus muscles

Question 5

5. main part of larynx is thus elevated to the __________ surface of the __________ and the entrance to the larynx is closed

Answer 5

Post

Epiglottis

Question 6

6. bolus moves downward over the __________ , the closed entrance into the ________, and reaches the lower part of the _________ as the result of the successive contraction of the ________________ muscles

Answer 6

Epiglottis
Larynx
Pharynx
Superior, middle, inferior constictor muscles

Question 7

some of the food slides down the __________ on either side of the entrance into the larynx

Answer 7

Piriform fossa

Question 8

7. __________________ then relaxes and the bolus enters the ___________

Answer 8

The lower part of the pharyngeal wall

Esophagus

Question 9

Upper part of post pharyngeal wall

Answer 9

Passavant’s ridge

Question 10

Trickle of food that enters laryngeal inlet

Answer 10

Aditus

Question 11

Swallowing: masticated food is formed into a ball or bolus on the ______________ and voluntarily pushed upward and backward against the _________________

Answer 11

Dorsum of the tongue,

Undersurface of the hard palate