Anatomy Revision

Question 1

where is the opening of the internal acoustic meatus

Answer 1

posterior cranial fossa

Question 2

what is the adenoid closley related to

Answer 2

the eustachian tube

Question 3

what duct is most likely to be damaged in a le fort 1 fracture

Answer 3

nasolacrimal duct

Question 4

what is the aditus

Answer 4

the passageway to the mastoid antrum

Question 5

what is the mastoid antrum

Answer 5

air space in the petrous part of the temporal bone

Question 6

where does the sphenoid sinus drain to

Answer 6

the sphenoethmoidal recess

Question 7

what fossa are the brains frontal lobes in

Answer 7

anterior fossa

Question 8

what skull bone is shaped like a butterfly

Answer 8

sphenoid

Question 9

what bone is the otic cavity in

Answer 9

temporal

Question 10

where in otic cavity is the stapes

Answer 10

epitympanic recess

Question 11

what controls the movement of the stapes

Answer 11

skeletal muscle- stapedius

nerve- CN VII (facial)

Question 12

is the stapes in contact with the perilymph

Answer 12

yes via the oval window

Question 13

what is the sensory innervation of the stapes

Answer 13

CN IX glossopharyngeal

Question 14

where does lymph from the stapes drain to

Answer 14

throacic duct

Question 15

what nerve has sensory ganglion in the geniculate ganglion in the petrous part of temporal bone

Answer 15

facial nerve

Question 16

what nerve courses over the internal aspect of the tympanic membrane

Answer 16

chorda tympani

Question 17

what nerve is the sensory supply to the skin over the inferior part of the external auditory meatus

Answer 17

vagus

Question 18

what nerve is the sensory supply to the mucosa of the nasal cavity

Answer 18

maxillary CN V2

Question 19

what nerve pathology is associated with subsequent falls

Answer 19

vestibular nerve

Question 20

what 4 things are in the jugular foramen

Answer 20

CN XI (accessory) 
CN X (vagus)
CN IX (glossopharyngeal)
internal jugular vein

Question 21

what is the sensory innervation of the ear lobe

Answer 21

spinal nerve 2 and 3

Question 22

what prevents the anterior dislocation of the tmj

Answer 22

zygomatic process

Question 23

what bones is the hypoglossal canal a feature of

Answer 23

occipital bone

Question 24

what canal transmits taste fibres from anterior 2/3rds of the tongue

Answer 24

facial canal

Question 25

what part of the temporal bone articulates at the pterion

Answer 25

the squamous part

Question 26

where are the internal and external acoustic meatus'

Answer 26

in the petrous part of the temporal bone

Question 27

where does the antrum of the maxillary sinus drain to

Answer 27

the middle meatus

Question 28

where does the nasolacrimal duct drain to

Answer 28

inferior meatus

Question 29

what innervates the eustachian tube

Answer 29

glossopharyngeal nerve

Question 30

is the facial nerve a peripheral nerve

Answer 30

yes

Question 31

what are the different axons of the facial nerve

Answer 31

special sensory sensory motor parasympathetic

Question 32

what connects to the brain stem at the junction between the pons and the medulla oblogate

Answer 32

cranial nerve CN VII and VIII

Question 33

what branch of facial nerve supplies taste to anterior 2/3rds of tongue

Answer 33

chorda tympani

Question 34

what is the crista galli

Answer 34

upper part of the perpendicular plate of the ethmoid bone | forms part of roof of nasal cavity

Question 35

what part of ethmoid bone is covered by respiratory mucosa

Answer 35

middle concha

Question 36

what is the aditus

Answer 36

passageway to mastoid antrum (air space in petrous temporal bone)

Question 37

what is the nerve supply to: stylopharyngeal, mucosa of the oropharynx + opening to eustachian tube + middle ear and medial side of tympanic membrane

Answer 37

CN IX | glossopharyngeal

Question 38

what is pierced by the parotid duct

Answer 38

buccinator

Question 39

what muscle of the palate is derived from the 1st pharyngeal arch

Answer 39

tensor veli palatini

Question 40

what muscle opens the jaw

Answer 40

lateral pterygoid

Question 41

what is the motor innervation of the tongue muscles

Answer 41

all hypoglossal expect palatoglossal (vagus)

Question 42

``` name this muscle: located within peritrachial layer of deep cervical fascia below C3 attaches between two hyaline cartilages not involved in whispering ```

Answer 42

arytenoid muscles

Question 43

what is the surface landmark for a circoid puncture

Answer 43

arch of cricoid

Question 44

what is the sensory nerve of the tonsilar sinus

Answer 44

CN IX

Question 45

what level is the thyroid cartilage

Answer 45

C5

Question 46

what level is the first palpable vertebrae

Answer 46

C7

Question 47

at what level does the trachea split

Answer 47

between T5-7

Question 48

what foramen does the internal carotid artery go

Answer 48

carotid canal

Question 49

what are the regional lymph nodes for the tip of the tongue

Answer 49

submental

Question 50

what is the sensory supply to the epiglottis mucosae

Answer 50

superior laryngeal

Question 51

what palate muscle contracts during nasal speech

Answer 51

palatopharyngeus

Question 52

can you palpate the carotid bifurcation

Answer 52

yes

Question 53

can you palpate the submandbular glands

Answer 53

yes

Question 54

what type of cartilage is the epiglottis

Answer 54

elastic

Question 55

what supply taste sensation to ant 2/3rds of the tongw

Answer 55

taste= chorda Tympani from facial

Question 56

what supplies general sensory to the ant 2/3rds of the tongue

Answer 56

V3

Question 57

what is the innervation of the laryngeal muscles

Answer 57

all recurrent laryngeal except the cricothyroid muscle

Question 58

what is the only abductor of the vocal cords

Answer 58

posterior cricoarytenoid

Question 59

what will the voice sound like in reinkes oedema

Answer 59

rough

Question 60

what will the voice sound like in left adductor palsy

Answer 60

very breathy (large gap in glottis)

Question 61

what will the voice sound like in left abductor palsy

Answer 61

normal but stridor on inspiration

Question 62

what does a stroboscopy do

Answer 62

slows down vocal fold mucosa movements