Oral Cavity

Question 1

floor muscles of oral cavity

Answer 1

mylohyoid
geniohyoid

Question 2

innervates mylohyoid (branch of CN V3)

Answer 2

nerve to mylohyoid

Question 3

function of mylohyoid m.

Answer 3

elevates hyoid bone

Question 4

innervates geniohyoid m.

Answer 4

branch of C1

Question 5

function of geniohyoid m.

Answer 5

elevates hyoid bone

Question 6

cell bodies of CN V2 and CN V3 afferent neurons are located where (this is a dorsal root-like ganglion)

Answer 6

Gasserion/Semilunar Ganglion

Question 7

wall of the cheek muscle

Answer 7

buccinators m.

Question 8

innervates buccinators m.

Answer 8

CN VII

Question 9

sensory innervation to vestibule

Answer 9

buccal n. (branch of CN V3)

Question 10

hard palate is innervated by

Answer 10

greater palatine n. (branch of CN V2)

Question 11

floor below the tongue is innervated by

Answer 11

lingual n. (branch of CN V3)

Question 12

3 papilla with taste buds on the tongue

Answer 12

vallate papilla
fungiform papilla
foliate papilla

Question 13

innervates vallate papilla (posterior)

Answer 13

CN IX

Question 14

innervates fungiform papilla (anterior to vallate papilla)

Answer 14

CN VII

Question 15

innervates foliate papilla (lateral striations)

Answer 15

CN VII

Question 16

channels immediately behind vallate papilla

Answer 16

sulcus terminalis

Question 17

papilla that is numerous but has no taste buds

Answer 17

filiform papilla

Question 18

pit in the center of sulcus terminalis; thyroid gland develops in this area and descends later in normal development

Answer 18

foramen cecum

Question 19

special sensory (taste) and general sensory to epiglottis

Answer 19

CN X

Question 20

special sensory (taste) and general sensory to posterior 1/3rd of tongue

Answer 20

CN IX

Question 21

special sensory to anterior 2/3rds of tongue

Answer 21

CN VII (chorda tympani)

Question 22

general sensory to anterior 2/3rds of tongue

Answer 22

lingual n. (branch of CN V3)

Question 23

tongue blood supply artery and vein

Answer 23

lingual a.
lingual v.

Question 24

nerve supply to muscles of the tongue

Answer 24

hyoglossus n.

Question 25

anterior 1/3rd of tongue lymph drainage

Answer 25

submental nodes

Question 26

middle 1/3rd of tongue lymph drainage

Answer 26

submandibular nodes

Question 27

posterior 1/3rd of tongue lymph drainage

Answer 27

deep cervical nodes:
jugulodigastric
juguloomohyoid

Question 28

penetrates buccinators m. and empties into vestibule opposite the 2nd upper molar tooth

Answer 28

Parotid Duct (Stenson’s Duct)

Question 29

2 sublingual gland ducts

Answer 29

Rissinus duct (small)
Bartholin’s duct (large)

Question 30

submandibular gland duct

Answer 30

Wharton’s duct

Question 31

what gland provides most of the saliva

Answer 31

submandibular gland

Question 32

autoimmune disorder that attacks saliva and tear producing glands

Answer 32

Sjogren’s (show-grins) syndrome

Question 33

innervation to extrinsic muscles of the tongue

Answer 33

CN XII

Question 34

3 main extrinsic muscles of the tongue

Answer 34

Genioglossus
Styloglossus
Hyoglossus

Question 35

protracts tongue

Answer 35

genioglossus

Question 36

retracts tongue

Answer 36

styloglossus

Question 37

depress tongue

Answer 37

hyoglossus

Question 38

changes shape of tongue (like when someone ties a cherry)

Answer 38

intrinsic muscles of the tongue

Question 39

CN XII lesion- where does the tongue deviate to?

Answer 39

tongue deviates towards the side of lesion

Question 40

parasympathetic pathway to parotid gland, oropharynx, and posterior 1/3rd of tongue

Answer 40

1. inferior salivatory nucleus
2. lesser petrosal n.
3. otic ganglion
4. auriculotemporal n.
5. organs