Oral Cavity

Question 1

Blood supply to lips

Answer 1

Superior and inferior labial arteries (branches of facial) - lips
mental artery (inferior alveolar) - chin
buccal (maxillary) - cheek

Question 2

fauces

Answer 2

junction between oral cavity and oropharynx

Question 3

palatoglossal arch/fold

Answer 3

anterior boundary of palatine tonsilar bed

formed by palatoglossus covered by mucosa

Question 4

palatopharyngeal arch/fold

Answer 4

posterior boundary of palatine tonsilar bed

Question 5

sublingual fold

Answer 5

formed by sublingual salivary gland under tongue

Question 6

sublingual caruncle

Answer 6

contains opening for submandibular duct

Question 7

parotid papilla

Answer 7

opening of parotid duct opposite 2nd mx molar

Question 8

What structures run through the incisive foramen?

Answer 8

nasopalatine nerve

septal artery

Question 9

Sensation from mucosa of palate

Answer 9

maxillary trigeminal (v2)

Question 10

innervation of the palatine glands

Answer 10

facial (VII)

Question 11

palatoglossus

Answer 11

forms palatoglossal fold when covered with mucosa
aponeurosis - side of tongue
A: approx soft palate to oropharynx during swallowing
N: vagus (x)

Question 12

palatopharyngeus

Answer 12

forms palatopharyngeal arch
hard/soft palate - posterior thyroid cartilage/pharyngeal constrictor
A: close nasopharynx during swallowing
N: vagus (X)

Question 13

musculus uvulae

Answer 13

posterior nasal spine - palatine aponeurosis
A: elevates uvula
N: vagus (x)

Question 14

oropharynx

Answer 14

posterior to oral cavity

Question 15

which muscles insert into the pterygomandibular raphe

Answer 15

superior pharyngeal constrictor (medial)

buccinator (lateral)

Question 16

blood supply to palatine tonsil is formed by tonsillar branches from:

Answer 16

lesser palatine (maxillary)
facial (external carotid)
ascending pharyngeal (external carotid)
ascending palatine (facial)

Question 17

arterial supply to the teeth

Answer 17

anterior superior alveolar (infraorbital)
middle superior alveolar (infraorbital)
posterior superior alveolar (maxillary)
inferior alveolar (maxillary)

Question 18

innervation of the teeth

Answer 18

anterior/middle/posterior superior alveolar nerves (V2)
inferior alveolar (V3)

Question 19

gingival proper

Answer 19

attached

Question 20

alveolar mucosa

Answer 20

unattached gingiva

mobile, red

Question 21

filiform papillae

Answer 21

most numerous
conical
general sensory
no taste buds

Question 22

fungiform papillae

Answer 22

mushroom shaped
spots scattered among filiform papillae
taste buds

Question 23

foliate papillae

Answer 23

fold/leaf
sides of tongue
taste receptors

Question 24

vallate papillae

Answer 24

large
form v shaped pattern at back of body of tongue
walls have taste buds
trenches around them
serous glands open into trenches to prevent blockage

Question 25

terminal sulcus

Answer 25

between body and root of tongue | site of descent of thyroid

Question 26

what is present on the root of the tongue

Answer 26

taste buds | lingual tonsil

Question 27

innervation of the body of the tongue

Answer 27

sensation - mandibular trigeminal (v3) (lingualbranch) | taste - facial (VII) (chorda tympani)

Question 28

innervation of root of tongue

Answer 28

taste and sensation - glossopharyngeal (IX)

Question 29

innervation of posterior tongue and epiglottis

Answer 29

general sensation and taste - vagus (x)

Question 30

genioglossus

Answer 30

mental spine of mandible - tongue/hyoid A: depresses, protrudes tongue N: hypoglossal (XII)

Question 31

hyoglossus

Answer 31

lateral hyoid/side and inferior aspect of tongue A: depresses, retracts tongue N: hypoglossal (XII)

Question 32

styloglossus

Answer 32

styloid process/styloid ligament - side of tongue posteriorly A: elevates, retracts tongue N: hypoglossal (XII)

Question 33

how are the intrinsic muscles of the tongue arranged

Answer 33

superior: longitudinal middle: vertical and transverse inferior: longitudinal A: change shape of tongue with speech and food manipulation N: hypoglossal (XII)

Question 34

innervation/arteries/veins of parotid gland

Answer 34

N: parasympathetics from glossopharyngeal (IX) via lesser petrosal nerve A: branches of external carotid and superficial temporal arteries V: retromandibular vein

Question 35

N/a/v submandibular gland

Answer 35

N: parasympathetics from facial (VII) via chorda tympani A: submental branch of facial artery V: facial vein

Question 36

n/a/v sublingual gland

Answer 36

N: parasympathetics from facial (VII) via chorda tympani A: lingual and facial arteries V: lingual vein

Question 37

what are the contents of the sublingual space

Answer 37

sublingual gland lingual nerve - submandibular ganglion submandibular duct hypoglossal nerve (XII)

Question 38

what parts of the lip drain into the submandibular nodes

Answer 38

upper lip | lateral lower lip

Question 39

what parts of the lip drain into the submental nodes

Answer 39

middle lower lip

Question 40

lymphatic drainage from the root of the tongue

Answer 40

superior deep cervical lymph nodes

Question 41

lymphatic drainage from the tip of the tongue

Answer 41

submental lymph nodes

Question 42

lymph drainage from middle of tongue

Answer 42

inferior deep cervical lymph nodes | submandibular lymph nodes