The Oral Cavity, Palate and Oropharynx

Question 1

the vestibule of the oral cavity refers to what?

Answer 1

the space between lips/cheek and the gums/teeth

Question 1

the muscle innervated by the facial nerve that lies in the lateral walls of the oral cavity is the?

Answer 1

buccinator

Question 2

the muscle of facial expression whose contraction causes closing/pursing of the lips is the?

Answer 2

orbicularis oris

Question 3

the posterior opening of the oral cavity is called the

Answer 3

oropharyngeal isthmus

Question 4

which two bones form the hard palate?

Answer 4

maxillary bone
palatine bone

Question 5

name the muscles in the soft palate
(totally leaving pal proper mad)

Answer 5

1. tensor veli palatini
2. levator veli palatini
3. palatoglossus
4. palatopharyngeus
5. musculus uvulae

Question 6

what is the nerve supplies the muscles in the soft palate?

Answer 6

pharyngeal branch of vagus nerve
EXCEPT for tensor veli palatini m. > V3

Question 7

what is the collective action of the soft palate muscles?

Answer 7

tensing, elevating, pulling short palate

Question 8

what are the boundaries of the oropharynx?

Answer 8

anterior - right and left palatoglossal arches
extends from uvula of soft palate above to the tip of epiglottis below

Question 9

what lymphoid structure lies between the palatoglossal and pallatopharyngeal folds/arches?

Answer 9

palatine tonsils

Question 10

label

Answer 10