2 - NEURO 2.4

TIC DOULOUREUX

MC CN 5 lesion

TRIGEMINAL (CN V)

largest cranial nerve

GASSERIAN/SEMILUNAR GANGLION

sensory ganglia of the CN V

MASSETER, MEDIAL PTERYGOID, TEMPORALIS, LATERAL PTERYGOID

muscle of mastication

MEDIAL PTERYGOID, LATERAL PTERYGOID

muscles of mastication that has 2 heads

MASSETER, MEDIAL PTERYGOID, TEMPORALIS

for closing the mouth

LATERAL PTERYGOID

for opening the mouth

DIGASTRIC ANTERIOR BELLY, MYLOHYOID, TENSOR TYMPANI, TENSOR VELI PALATINI

other innervations of the CNV aside from mastication muscles

THYROHYOID, OMOHYOID, STERNOHYOID, STERNOTHYROID

infrahyoid muscles

DIGASTRIC, MYLOHYOID, STYLOHYOID, GENIOHYOID

suprahyoid muscles

TENSOR TYMPANI

tenses the tympanic membrane to dampen sound

TRIGEMINAL - OPHTHALMIC (CN V1)

sensory supply of the eyeball

BLINK REFLEX

corneal reflex or

CORNEAL REFLEX

first reflex discovered by man

TRIGEMINAL - OPHTHALMIC (CN V1)

responsible for afferent in corneal reflex

FACIAL (CN VII)

responsible for efferent in corneal reflex

FACIAL (CN VII)

responsible for closing the eyes

BELL’S PALSY

inability to close the eyes

OCULOMOTOR (CN III)

responsible for opening the eyes

TRIGEMINAL - OPHTHALMIC (CN V1)

responsible for afferent in sneezing

GLOSSOPHARYNGEAL (CN IX), VAGUS (CN X)

responsible for efferent in sneezing

GENICULATE GANGLION

ganglia of the CN VII

CORRUGATOR SUPERCILI

muscle for frowning

FACIAL (CN VII)

responsible for motor innervation of facial expressions

OCCIPITOFRONTALIS

muscle for surprise

ZYGOMATICUS MAJOR

muscle for true smile

ORBICULARIS ORIS

muscle for kissing

MENTALIS

muscle for doubt

BUCCINATOR

muscles for suck/blow

PROCERUS

muscle for distaste

RISORIUS

muscle for grimace

LEVATOR ANGULI ORIS

muscle for sneering

ORBICULARIS OCULI

muscle for winking

PLATYSMA

muscle for EGAD

DIGASTRIC POSTERIOR BELLY, STYLOHYOID, STAPEDIUS

additional muscles innervated by CsN7 aside from facial expressions

STAPEDIUS

smallest muscle of the body

HYPERACUSIS

paralyzed stapedius

HYPERACUSIS

increased sound sensitivity

TONGUE ANTERIOR 2/3

sensory innervations of the CN7

CHORDA TYPMANI

fibers which provide taste sensation

FACIAL (CN VII), GLOSSOPHARYNGEAL (CN IX)

responsible for taste

AGEUSIA

loss of taste

FACIAL (CN VII)

taste for anterior 2/3 of tongue

GLOSSOPHARYNGEAL (CN IX)

taste for posterior 1/3 of tongue

TRIGEMINAL (CN V)

general sensation for anterior 2/3 of tongue

GLOSSOPHARYNGEAL (CN IX)

general sensation for posterior 1/3 of tongue

LACRIMAL, SALIVARY

autonomic fxns of the CN7

GREAT PETROSAL BRANCH

branch of CN7 innervating lacrimal gland

PONS

motor root of CN7

NERVE OF WRISBERG (CN XIV)

sensory and parasympathetic fibers of CN7

INTERNAL ACOUSTIC MEATUS, FACIAL CANAL, STYLOMASTOID FORAMEN

routes of the CN7

FACIAL CANAL

geniculate ganglion is formed in theG

GREAT PETROSAL BRANCH, NERVE TO STAPEDIUS, CHORDA TYMPANI

facial canal gives rise to ________

STYLOMASTOID FORAMEN

MC site of entrapment of CN7

CHVOSTEK TEST

test for Bell’s palsy

PAROTID GLAND

Chvostek test involves tapping the _______

TEMPORAL, ZYGOMATIC, BUCCAL, MANDIBULAR, CERVICAL

branches of CN7 which innervates face muscles

FACIAL PALSY

lesion of CN7 at the stylomastoid foramen

VESTIBULAR, COCHLEAR

CN8 parts

DYSEQUILIBRIUM, BENIGN PAROXYSIAL VERTIGO, NYSTAGMUS

lesion to vestibular apparatus of CN8

VESTIBULAR APPARATUS

vestibular organ of CN8

ORGAN OF CONTI

cochlear organ of CN8

DEAFNESS

lesion to cochlear organ of CN8

CONDUCTION, SENSORINUEARL, CORTICAL

deafness types

CONDUCTION DEAFNESS

deafness due to lesion in outer/external and middle ear

SENSORINEUERAL DEAFNESS

deafness due to lesion in inner ear

CORTICAL DEAFNESS

deafness due to lesion in the cortex

BRODMANN’S AREA 41, HESCHL’S GYRUS

lesion to the _____ causes cortical deafness

WEBER, RINNE

test for auditory acuity

WEBER TEST

test for unilateral hearing loss

WEBER TEST

tuning fork on the top of the head

AIR CONDUCTION, BONE CONDUCTION

Rinne test compares ________

RINNE TEST

tuning fork on the mastoid process

STYLOPHARYNGEUS

motor innervation of CN9

TONGUE POSTERIOR 1/3

sensory innervation of CN9

PAROTID GLAND

autonomic innervation of CN9P

PHARYNX, LARYNX

motor innervation of CN10

LARYNX

voice box/vocal cords

PHONATION

voice or sound formation

DYSPHONIA

difficulty in sound production

APHONIA

absence of sound production

GLOSSOPHARYNGEAL (CN IX), VAGUS (CN X)

responsible for gag reflex

PINNA, PHARYNX, LARYNX, EPIGLOTTIS

sensory innervation of CN10

75% PARASYMPATHETIC NERVOUS SYSTEM, THORAX, ABDOMEN

autonomic innervation of CN10

GLOSSOPHARYNGEAL (CN IX), VAGUS (CN X)

innervates muscle of pharynx

VAGUS (CN X)

innervates muscle of larynx

SPINAL ACCESSORY - CRANIAL (CN XI)

responsible for vagal system

SPINAL ACCESSORY - SPINAL (CN XI)

responsible for SCM and trapezius innervation

SPINAL ACCESSORY (CN XI)

only CN passing through foramen magnum

SCAPULAR LATERAL WINGING

lesion to the CN11 may cause

RADICAL NECK DISSECTION

CN11 may be damaged

HYPOGLOSSAL (CN XII)

responsible for motor innervation of tongue muscles

TRIGEMINAL (CN V), FACIAL (CN VII), GLOSSOPHARYNGEAL (CN IX)

responsible for tongue sensation

DYSARTHRIA

problems with articulation

PALATOGLOSSUS, GENIOGLOSSUS, HYOGLOSSUS, STYLOGLOSSUS

muscles of tongue

PALATOGLOSSUS

tongue elevation

GENIOGLOSSUS

tongue extensionHY

HYOGLOSSUS

tongue depression

STYLOGLOSSUS

curls tongue

HYPOGLOSSAL (CN XII)

MC affected in dysarthria