Final exam

Question 1

what branch of facial nerve innervates buccinator?

Answer 1

buccal

Question 2

what branch of trigeminal N innervates mylohyoid?

Answer 2

mandibular nerve

Question 3

what specific N branch innervates mylohyoid?

Answer 3

-nerve to mylohyoid from inferior alveolar nerve of mandibular nerve

Question 4

what nerve innervates this geniohyoid?

Answer 4

cervical nerve C1

Question 5

C1 “hitch hikes” from neck into floor of oral cavity with which nerve?

Answer 5

hypoglossal nerve

Question 6

name structures that pass through gateway, 2 muscles associated w/ tongue

Answer 6

hyoglossus, styloglossus

Question 7

2 nerves that pass through gateway

Answer 7

lingual
hypoglossal
glossopharyngeal

Question 8

what structure forms the inferior margin of the oropharyngeal isthmus between the oral and pharyngeal cavities?

Answer 8

terminal sulcus of tongue

Question 9

which structure marks the site in the embryo where the epithelium invaginates to form the thyroid gland?

Answer 9

foramen caecum of tongue

Question 10

name 3 structures that are found under the surface of the tongue

Answer 10

1. frenulum of tongue
2. fimbriated fold
3. lingual vein

Question 11

describe the tongue

Answer 11

divided into left/right half by a median sagittal septum composed of connective tissue

Question 12

name 4 intrinsic muscles of tongue

Answer 12

1. transverse
2. vertical
3. superior longitudinal
4. inferior longitudinal

Question 13

which ext ms depresses tongue?

Answer 13

hyoglossus

Question 14

which ext ms elevates and retracts the tongue?

Answer 14

styloglossus

Question 15

which artery enters the tongue deep to the hyoglossus between the hyoglossus and genioglossus

Answer 15

lingual artery

Question 16

what two important nerves enter the tongue on the external surface of the hyoglossus ms?

Answer 16

1. hypoglossal

2. lingual

Question 17

what is the major artery of tongue?

Answer 17

lingual artery

Question 18

what 2 ms are associated w/ lingual artery?

Answer 18

hyoglossus, genioglossus

Question 19

what other structures are supplied by lingual artery?

Answer 19

sublingual gland, gingiva, oral mucosa in floor of oral cavity

Question 20

what vessels drain the tongue

Answer 20

dorsal lingual, deep lingual veins

Question 21

on which vein do the deep lingual and dorsal lingual veins drain into

Answer 21

internal jugular vein

Question 22

name 4 nerves that innervate the tongue

Answer 22

1. glossopharyngeal
2. lingual
3. facial
4. hypoglossal

Question 23

which cranial N provides taste and general sensation from pharyngeal part of tongue?

Answer 23

glossopharyngeal

Question 24

which nerve passes the jugular foramen along the stylopharyngeus ms?

Answer 24

glossopharyngeal nerve

Question 25

which N is said to be the major branch of Mandibular N?

Answer 25

lingual nerve

Question 26

which ms related to lingual N

Answer 26

hyoglossus

Question 27

name 2 other parts by which lingual N carries general sensation to

Answer 27

- mucosa on floor of oral cavity | - gingiva associated w/ lower teeth

Question 28

what 3 structures are enclosed by the parotid gland?

Answer 28

1. external carotid artery 2. retromandibular vein 3. origin of extracranial part of facial nerve

Question 29

name 2 Ms related to submandibular glands

Answer 29

mylohyoid, hyoglossus

Question 30

where is the exact location of submandibular gland

Answer 30

emerge from medial side of the deep part of gland in oral cavity

Question 31

what arteries supply the submandibular and sublingual glands?

Answer 31

facial, lingual arteries

Question 32

name 3 structures found on mucosa of hard palate

Answer 32

1. palatine rugae 2. palatine raphe 3. incisive papilla

Question 33

what nerve innervates the tensor veli palatine ms

Answer 33

nerve to medial pterygoid from mandibular nerve

Question 34

which ms depresses the palate and move the palatopharyngeal arches towards the midline like curtains that help close the oropharyngeal isthmus; at the same time elevating the pharynx during swallowing?

Answer 34

palatopharyngeus muscle

Question 35

what structure defines the lateral margins of the oropharyngeal isthmus?

Answer 35

palatoglossal arches

Question 36

name the branches of the maxillary, facial, ascending pharyngeal arteries that supply the palate

Answer 36

- greater palatine branch - ascending palatine branch - palatine branch

Question 37

from which main artery do the maxillary, facial, and ascending pharyngeal arteries branch from

Answer 37

external carotid artery

Question 38

which artery loops medially over the top of the superior constrictor muscle of the pharynx?

Answer 38

palatine branch of ascending pharyngeal

Question 39

which nerve supplies gingiva and mucosa adjacent to the incisors and canine

Answer 39

nasopalatine

Question 40

what structure connects the lip to the adjacent gum

Answer 40

median labial frenulum

Question 41

name 8 ms of facial expression that open or adjust the contour of the oral fissure

Answer 41

1. buccinator 2. levator labii superioris 3. zygomaticus major 4. zygomaticus minor 5. levator anguli oris 6. depressor labii inferioris 7. depressor anguli oris 8. platysma

Question 42

name artery of palatal gingiva

Answer 42

nasopalatine, greater palatine arteries

Question 43

from what nerve branch do all lower teeth branch from?

Answer 43

inferior alveolar nerve from the mandibular nerve

Question 44

name 3 nerve branches that innervate all upper teeth

Answer 44

anterior, middle, posterior superior alveolar nerves

Question 45

from which nerve branches does the gingiva associated w/ the upper teeth derive its branches

Answer 45

maxillary nerve

Question 46

from which nerve branches does the gingiva associated w/ the lower teeth derive its branches

Answer 46

mandibular nerve

Question 47

which nerve innervates the gingiva associated w/ the buccal side of the mandibular incisor, canine, and premolar teeth

Answer 47

mental branch of inferior alveolar nerve

Question 48

name 7 features of face that are palpable

Answer 48

1. head of mandible 2. zygomatic bone 3. zygomatic arch 4. mastoid process 5. external occipital protuberance 6. external acoustic meatus 7. bony margin of orbit