cranial nerves Flashcards by cerchia N

name cranial nerve I?

function?

Olfactory

Smell

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name cranial nerve II?

function?
-3

Optic nerve

visual acuity
visual fields
accommodation
pupil size

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name cranial nerve III?

function?

Oculomotor

Eye movements
raise eyelid
constrict pupillae

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name cranial nerve IV?

eye muscle innervated?

function?

trochlear

superior oblique muscle

take eye down and in

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name cranial nerve V?

functions?
-4

Trigeminal

sensation to face
sensation to ant 2/3 tongue
muscles of chewing
corneal reflex

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name cranial nerve VI?

eye muscle innervated?

function?

abducens

lateral rectus muscle

move eye laterally

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name cranial nerve VII?

functions?
-4

Facial nerve

move muscles of face
Ant 2/3 of tongue taste
make tears
salivation
stapedius muscle

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name cranial nerve VIII?

function?

Vestibulocochlear

hearing

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name cranial nerve IX?

functions?
-3

Glossopharyngeal

post. 1/3 of tongue taste
swallowing
salivation

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name cranial nerve V?

functions?
-3

Vagus

swallowing
vocalisation
sensation to organs

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name cranial nerve VI?

muscles innervated?

functions?

Accessory nerve

sternocleidomastoid muscle
trapezius

head rotation
shoulder elevation

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name cranial nerve VII?

function?

Hypoglossal nerve

Move tongue

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which cranial nerves allow salivation?

and through autonomic nervous system (ANS)?

Facial nerve
Glossopharyngeal

PNS

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which cranial nerves allow tongue taste to posterior 1/3rds?

Glossopharyngeal

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constriction of pupillae occurs through what autonomic nervous system?

PNS

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tear production occurs through what autonomic nervous system?

PNS

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which cranial nerve allows hearing?

Vestibulocochlear

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which cranial nerves are entirely motor?

give roman numerals and
full names,

III, IV, VI, XI, and XII

Occulomotor 
Trochlear nerve
Abducens
Accessory nerve
Hypoglossal nerve

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which cranial nerves are entirely sensory?

give roman numerals and
full names,

I, II, and VIII

Olfactory nerve
Optic nerve
Vestibulocochlear

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which cranial nerves are sensory and motor?

V, VII, IX, X

Trigeminal nerve
Facial nerve
Glossopharyngeal
Vagus nerve

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pneumonic to remember names and order of cranial nerves?

Ooh, Ooh, Ooh, to touch and feel very good velvet. Such heaven!

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pneumonic to remember which cranial nerves and sensory/motor or both?

Some say marry money but my brother says big brains matter more

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which cranial nerves pass through Jugular foramen?

9 10 11

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which cranial nerves pass through hypoglossal canal?

- name and number

Hypoglossal nerve

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which cranial nerves passes through the cribriform plate? | - name and number

1 | Olfactory nerve

memory device to remember which cranial nerves pass through which area of the brain?

COSIJH 114231

CNII pass through what hole in the brain?

Optic canal

which cranial nerves pass through the superior orbital fissure? - name and number

3 4 5 6 Occulomotor nerve Trochlear nerve Trigeminal Abducens

CNVII and CNVIII pass through what hole in the brain? name these nerves?

Intra acoustic foramen Facial nerve Vestibulocochlear

Trigeminal is split into what 3 areas?

V1, V2, V3

ptosis can be caused by damage to what cranial nerve?

3, occulomotor

how do you test olfactory nerve?

ask about any changed in smell?

what things are tested under optic nerve and how is each tested? -6

* Acuity * Visual fields * Pupillary Reflexes * Accommodation * Fundoscopy. * Blind spot

how is acuity tested? | -2

- Snellen chart | - Ishihara plates. Few secs per plate

how are visual fields tested?

- cover eye and move finger from outside to inside

when doing fundoscopy which drug do you use to dilate pupil?

tropicamide

how do you test eye movements?

what is it called when eyes point in different directions? what nerves could be effected to cause this?

Strabismus III IV VI

medical word for dancing eyes?

nystagmus

involuntary rhythmic movement of the eye. medical word for? how do you test for this? what nerves could be effected to cause this?

nystagmus Stop in middle of H to detect nystagmus III IV VI

# define Diplopia? what nerves could be effected to cause this?

double vision III IV VI

how can you test motor functions of trigeminal nerve? | -3

Move jaw side to side Tense temple + Jaw Corneal reflex. Jaw jerk.

Corneal reflex controlled by what nerve?

trigeminal nerve?

how can you test sensory functions of trigeminal nerve?

Cotton wool and prick test on v1, v2, v3

Hz for tuning fork test?

512Hz

where do you put tuning fork in Weber's?

middle of forehead

where do you put tuning fork in Rinne's?

mastoid bone

normal result for Rinne's test?

air>bone

name of test to check semi-circular canals of fluid? which nerve is being tested? what function of this nerve is being testd?

Romberg’s test Vestibulocochlear balance

fasciculation are caused by impairment to what cranial nerve? name and number?

Hypoglossal XII

how do you test Facial nerve motor function? | -3

Raise eyebrows, puff cheeks, smile

you're testing facial nerve. in normal function what will be accentuated on raising eyebrows which shows you CN7 is functioning normally?

forehead creases

you're testing facial nerve. in normal function what will be accentuated on smiling which shows you CN7 is functioning normally?

Nasolabial folds

there is a X lesion . where does uvula deviate?

uvula does not deviate

there is a IX lesion . where does uvula deviate? IX, is what cranial nerve?

uvula deviates away from affected side Glossopharyngeal

how to test Accessory nerve?

shrug shoulder | turn head

how to test Hypoglossal nerve? on doing above test what extra thing should you be looking for which if present shown nerve is abnormal?

stick tongue out move togngue side to side say la la la Fasciculation

pt has tongue fasciculations. what nerve is effected?

Hypoglossal nerve

Hypoglossal nerve has a lesion. will it move towards or away from affected side?

deviates towards affected side

Olfactory nerve impaired. what symptom arises?

Anosmia

trigeminal nerve impaired. what symptoms + signs arise? -3

Less facial sensation | Weakness on chewing

how do you test CNVIII? which nerve is this?

Whispering Tuning fork tests Romberg’s test Vestibulocochlear

oculomotor takes info tpo what muscles to pupils dilate or constrict?

ciliary muscles

give pathway for how optic nerve takes info to brain?

ON --> Optic chiasma --> optic tract --> lateral geniculate nucleus in thalamus --> O radiation --> visual cortex

what are the only two CN's that do not come from the brainstem?

optic nerve | olfactory nerve

which nerves comes from midbrain?

CN3 and CN4