Head And Neck Final

Front 1

function of CN I

Back 1

SVA for smell

Front 2

CN I enter skull through

Back 2

cribriformplate, ethmoid bone

Front 3

innervate olfactory epithelium

Back 3

above superior nasal conchae

Front 4

olfactory bulb contains

Back 4

cell bodies of sensory neurons

Front 5

olfactory tract contains

Back 5

axons

Front 6

olfactory terminates 2 places

Back 6

1. cortex of uncus & ant hippocampal gyrus ( 1' olfactory cortex)
2. septal region of medial frontal lobe
(modulates emotional response smell)
(amygdaloid body in pyriform area)

Front 7

only sensory info that synapses directly with cortex without going to thalamus

Back 7

CN I

Front 8

Function of CN II

Back 8

SSA visual info from retina

Front 9

CN II enters skull through

Back 9

optic canal in spenoid bone

Front 10

optic energy is converted into electrical energy where and what is it called

Back 10

in the retina
called transduction

Front 11

optic nerve carry signals to

Back 11

1.optic chiasm
2.optic track
3.lat geniculate nucles of thalamus
4.geniculocalcarin tract aka opt rad
5.visual center in occipital lobe (either side of calcarine sulcus)

Front 12

result from optic chiasm

Back 12

half of each eyes vision goes to the opposite brain

Front 13

T/F optic nerve - brainstem

Back 13

false

Front 14

which are the only receptors that switch

Back 14

nasoreceptor

Front 15

CN III function

Back 15

1.GSE - somatic to extrinsic eye except LR3SO4
2.GVE - visceral to intrinsic eye

Front 16

CN III foramen

Back 16

SOF

Front 17

CN III viceral motor to

Back 17

constrictor pupillae and ciliary ms

Front 18

preganglionics to eye arise from

Back 18

edinger westphal nucleus

Front 19

postganglionics to eye arise from

Back 19

cilliary ganglion & axon travel in short ciliary nerves

Front 20

where CN III exits brainstem

Back 20

interpuduncular fossa

Front 21

Occulomotor nucleus located &
travel

Back 21

midbrain ( pretectal area )
&
cavernous sinus

Front 22

CN IV function

Back 22

GSE - sup oblique

Front 23

CN IV foramen

Back 23

SOF

Front 24

CN IV does what

Back 24

visual tracking and fixation

Front 25

CN IV arise

Back 25

trochlear nucleus in tegmentum of midbrain ( around inf colliculus ventral to cerebral aqueduct )

Front 26

CN IV nerves travel

Back 26

cavernous sinus

Front 27

T/F is CN IV the only CN that exit post

Back 27

T

Front 28

CN V function

Back 28

1.GSA - sensation face
2.GVA - sensation oral cavity & tongue
3.SVE - motor ms mastication ,TT, TVP, ant belly dig, mylohyoid

Front 29

CN V foramens

Back 29

V1 - SOF + SON
V2 - rotundum + IOF
V3 - ovale

Front 30

V1 innervates (4)

Back 30

1.nose
2.upper eyelid
3.forehead and scalp
4.dura ant cranial fossa

Front 31

V2 innervates (4)

Back 31

1.upper lip and upper oral cavity
2.paranasal sinuses
3.cheek and temporal region
4.dura mid cranial fossa

Front 32

V3 senory (5)

Back 32

1.lower lip
2.jaw
3.lower cavity
4.area above ear
5.dura mid cranial fossa.

Front 33

V3 motor

Back 33

1.mastication muscles
2.TT
3.TVP
4.ant belly dig
5.mylohyoid

Front 34

What do we find in trigeminal ganglion

Back 34

sensory neurons ( pain, touch, temp)

Front 35

AKA trigeminal ganglion

Back 35

semilunar and gasserian

Front 36

CN VI function

Back 36

GSE to lat rectus muscle

Front 37

CN VI foramen

Back 37

SOF

Front 38

which CN has longest intracranial cource

Back 38

abducens .. 1st nerve to be affevted by pressure

Front 39

CN VI fibers originate

Back 39

abducens nucleus in pons ( ventral to 4th ventricle )

Front 40

CN VI fibers exit

Back 40

border pons and medulla

called pontomedullary junction

course through cavernous sinus

Front 41

which nerves exit at pontomedullary junction

Back 41

VI
VII
VIII

Front 42

U3 L6

Back 42

..

Front 43

CN VII function SVE

Back 43

muscles of facial expression
branchial arch of facial exp ( post dig, stylohyoid, stapedius + platysma )

Front 44

CN VII function GVE

Back 44

psymp to lacrimal gland
sublingual and submandibular gland

psymp in pp ganglion and submand gln

Front 45

CN VII function SVA

Back 45

taste ant 2/3 tongue

Front 46

CN VII function GSA

Back 46

skin of ext ear and tympanic mb

Front 47

CN VII foramen

Back 47

enters int acustic meatus
transverse through facial canal
exits through stylomastoid foramen

Front 48

CN VII GSA cell body sensory neuron resides

Back 48

geniculate gln and enter brainstem through nervus intermedius

Front 49

CN VIII function

Back 49

SSA - audition & balance

Front 50

CN VIII foramen

Back 50

int acoustic meatus petrous temporal

Front 51

cocklear nerve cell bodies located

Back 51

spiral ganglion
( axons terminate cochlear nuclei)

Front 52

vestibular nerve cell body located

Back 52

vestibular ganglion
(axon terminate either in vestibular nuclear complex or project to cerebellum )

Front 53

CN IX function SVE

Back 53

stylopharygeus

Front 54

CN IX function GVE

Back 54

psymp parotid gland
via ls petrosal ( otic ganglion)

Front 55

CN IX function SVA

Back 55

taste post 1/3 tongue and pharynx

Front 56

CN IX function GVA

Back 56

carotid sinus and carotid body

pain touch temp ( eaustation tube )

Front 57

CN IX function GSA

Back 57

post 1/3 tongue, skin ext ear & meatus

Front 58

CN IX foramen

Back 58

jugular foramen

Front 59

Which nerves exits post olivar sulcus

Back 59

CN IX, X, XI,

Front 60

CN X function GVE

Back 60

psymp sm ms and glands of pharynx larynx and viscera of thorax and abdomen

Front 61

CN X function SVE

Back 61

sk ms of soft palate , parynx and larynx, 1 ext tongue ms

Front 62

CN X function GVA

Back 62

baroreceptors in aortic arch
chemoreceptors in aortic bodies

Front 63

CN X function SVA

Back 63

visceral sensation respiratory cardiovascular and gastrointestinal syst

Front 64

CN X function GSA

Back 64

post wall pharynx

Front 65

CN X foramen

Back 65

jugular

Front 66

Vagus means

Back 66

wandering
brain stem to L colic flexure

Front 67

CN XI function

Back 67

SVE - muscle larynx & pharynx, trapz and scm

Front 68

CN XI foramen

Back 68

jugular

Front 69

CN XI cranial branch joins

Back 69

vagus for larynx and pharynx

Front 70

CN XI spinal branch

Back 70

trapz and scm

Front 71

CN XII function

Back 71

GSE - muscles of tongue

Front 72

CN XII foramen

Back 72

hypoglossal canal