Practical 4 - Nervous System

oh (1)

olfactory

oh (2)

optic

oh (3)

oculomotor

to

trochlear

touch

trigeminal

and

abducens

feel

facial

very

vestibulocochlear 

good

glossopharyngeal

velvelt

vagus

ah

accessory

heaven

hypoglossal

some

CN1 - sensory

say

CN2 - sensory

marry

CN3-motor

money

CN4-motor

but

CN5-both

my

CN6-motor

brother

CN7-both

says

CN8-sensory

big

CN9-both

brains

CN10-both

matter

CN11-motor

more

CN12-motor

CN1 function

sense of smell

CN2 function

vision

CN3 function

eyelid and eyeball movement

CN4 function 

superior oblique eye muscle - turns eye downward and laterally

CN5 function

facial sensation, chewing (mastication)

CN6 function

eye movement laterally

CN7 function

facial expression, taste (anterior 2/3 of tongue), lacrimal and savory glands

CN8 function

hearing and balance (equilibrium)

CN9 function

taste (posterior 1/3 of tongue), swallowing, salivation, blood pressure

CN10 function

parasympathetic control of heart, lungs, digestion, taste, swallowing

CN11 function

controls sternocleidomastoid and trapezius (shoulder and neck movement)

CN12 function

tongue movement (speech and swallowing)

CN1 Test

smelling spices - coffee, cloves, peppermint

CN2 test

snellen eye chart, ophthalmoscope

CN3 test

move eye up and down - eyelids move / PUPILLARY constriction

CN4 test

inferior lateral movement of the eye

CN5 test

corneal reflex

CN6 test

inferior lateral eye movements

CN7 test

taste, raise eyebrows, show teeth, smile

CN8 test

pitch fork for hearing / Weber and Rinne Tests / Otoscope

CN9 test

swallowing / taste (posterior 1/3)

CN10 test

gag reflex

CN11 test

shoulder movement/shrug, head rotation

CN12 test

tongue movement - protrude tongue

I Origin

olfactory epithelium

I Course

olfactory bulb

II origin

retina of eye

II course

thalamus

III origin

midbrain

III course

eye muscles

IV origin

midbrain

IV course

eye muscles

V origin

pons

V course

face

VI origin

pons

VI course

eye muscle

VII origin

pons

VII course

face and tongue

VIII origin

cochlea and vestibule

VIII course

pons

IX origin

medulla oblongata

IX course

tongue and pharynx

X origin

medulla oblongata

X course

thoracic and abdominal viscera

XI origin

spinal cord (C1-C5)

XI course

neck muscles

XII origin

medulla oblongata

XII course

tongue

axillary sensory

skin of shoulder

axillary motor

deltoid / teres minor

musculocutaneous sensory

skin of anterolateral forearm

musculocutaneous motor

biceps brachii / brachialis muscles

radial sensory

skin of posterolateral upper limb

radial motor

triceps brachii / brachioradialis

median sensory

skin of lateral 2/3rd of hand (palm)

median motor

palmaris longus

ulnar sensory

skin of medial 1/3 of hand

ulnar motor

flexor carpi ulnaris

genitofemoral sensory

skin of external genitalia (scrotum / labia majora)

genitofemoral motor

cremaster muscle in males

femoral sensory

skin of anterior and medial thigh

femoral motor

quadriceps femoris and sartorius

obturator sensory

skin of medial thigh and for hip and knee joints

obturator motor

gracilis

common fibular sensory

skin of anterior leg and dorsum of foot

common fibular motor

tibialis anterior and short head of biceps femoris muscles

tibial sensory

posterior leg and sole of foot

tibial motor

gastrocnemius / soleus / long head of biceps femoris

pudendal sensory + motor

skin and muscles of the perineum / external anal sphincter

patellar reflex type

somatic, spinal, stretch

patellar reflex instrument

reflex hammer

patellar reflex normal response

leg swings forward / quadriceps muscle contracts

patellar reflex nerve

femoral

calcaneal reflex type

somatic, spinal, stretch

calcaneal reflex instrument

reflex hammer

calcaneal reflex normal response

contraction of gastrocnemius and soleus