ENT

Question 1

Name the bones of the skull

Answer 1

skull - cranium and mandible
cranium - neurocranium and viscerocranium
neurocranium - ethmoid, sphenoid, frontal, parietal, temporal, occipital
viscerocranium - mandible, maxilla, inf. nasal concha, lacrimal, nasasl, palatine, zygomatic, vomer

Question 2

what supplies the bones of the cranium

Answer 2

meningeal artery

Question 3

name the features of the mandible

Answer 3

body, ramus, head, cornoid process

Question 4

what is the nasal cavity

Answer 4

space in skull connecting nasopharynx to the nostrils

Question 5

what is the septum

Answer 5

divides nasal cavity into left and right
partial bone and cartilage
vomer ethmoid, maxillary palatine

Question 6

what are the concha and what do they do

Answer 6

superior, middle, inferior conchae
increase surface area of nasal cavity
spaces beneath are the meatus

Question 7

name the four paranasal sinuses

Answer 7

frontal
ethmoid
sphenoid
maxillary

Question 8

where does sphenoethmoidal recess receive drainage from

Answer 8

sphenoid sinus

Question 9

where does superior meatus receive drainage from

Answer 9

ethmoid sinus

Question 10

where does middle meatus receive drainage from

Answer 10

frontal
maxillary
ethmoid

Question 11

where does inferior meatus receive drainage from

Answer 11

nasolacrimal duct

Question 12

what structure forms the boundary between external and middle ear

Answer 12

tympanic membrane

Question 13

what structures form the boundary between middle and inner ear

Answer 13

oval window

Question 14

name the ossicles

Answer 14

malleus
incus
stapes

Question 15

what is the eustachian tube

Answer 15

connects middle ear to pharynx

Question 16

name the two muscles of the mid ear and their function

Answer 16

tensor tympani -

strapedius muscle -

Question 17

what does the inner ear consist of

Answer 17

vestibular apparatus and chochlea

Question 18

name the three parts of the pharynx

Answer 18

naso
oro
laryngo

Question 19

name the tonsillar rings of waldeyer tonsils

Answer 19

pharyngeal
tubal
palatine
lingual

Question 20

what two bones make up the hard palate

Answer 20

palatine process of the maxilla

horizontal plate of the palatine bone

Question 21

what muscles make up the floor of the mouth

Answer 21

anterior bellies of the digastric
mylohyoid
genioglossus

Question 22

name the teeth

Answer 22

incisor
canine
premolar
molar

Question 23

what innervates mandibular teeth

Answer 23

inferior alveolar nerve branch of CNV

Question 24

what innervates maxillary teeth

Answer 24

superior alveolar nerve branch of CNV

Question 25

name the four intrinsic muscles of the tongue

Answer 25

sup longitudinal inf longitudinal transverse vertical

Question 26

what nerve innervates the intrinsic muscles of the tounge

Answer 26

hypoglossal

Question 27

name the four extrinsic muscles of the tongue

Answer 27

genioglossus hyoglossus (often including the chondroglossus) styloglossus palatoglossus

Question 28

what nerve innervates the extrinsic muscles of the tongue

Answer 28

hypoglossal | except palatoglossus - vagus nerve

Question 29

what nerve innervates 1/3 of the posterior tongue

Answer 29

glossopharyngeal

Question 30

what nerve innervates 2/3 of anterior tongue

Answer 30

trigeminal nerve

Question 31

what nerve relays special taste sensation for 2/3 of anterior tongue

Answer 31

chorda tympani branch of facial nerve

Question 32

what nerve relays special taste sensation for 1/3 of posterior tongue

Answer 32

glossopharyngeal

Question 33

name the three salivary glands

Answer 33

parotid submandibullar sublingual

Question 34

where do each of the salivary glands empty into the oral cavity

Answer 34

parotid - vestibule of mouth submandibullar - ducts of Rivinus sublingual - sublingual caruncle

Question 35

what nerves innervate each of the salivary glands

Answer 35

parotid -glossopharyngeal nerve submandibullar - chorda tympani branch of the facial nerve sublingual - chorda tympani branch of the facial nerve

Question 36

how does parotid gland reach the oval cavity

Answer 36

Stensen duct - traversing the masseter muscle pierces the buccinator opens out into the oral cavity near the second upper molar

Question 37

name the five branches of the facial nerve

Answer 37

``` temporal zygomatic buccal mandibullar cervical ```

Question 38

what artery and vein are close to the parotid gland

Answer 38

maxillary artery | retromandibullar vein

Question 39

between which vertebrae does the larynx lie

Answer 39

C3-C7

Question 40

what nerve innervates the intrinsic muscles of the larynx

Answer 40

All the intrinsic muscles of the larynx (except the cricothyroid) are innervated by the inferior laryngeal nerve – the terminal branch of the recurrent laryngeal nerve, itself a branch of the vagus nerve

Question 41

name the extrinsic muscles

Answer 41

``` thyrohyoid sternothyroid omohyoid inf. constrictor muscle digastric stylohyoid mylohyoid geniohyoid hyoglossus ```