Lab Exam 1-Brain structures/Head and neck nerves

olfactory nerve

oculomotor nerve

trigeminal nerve

facial nerve

Glossopharyngeal nerve

accessory nerve

optic nerve

trochlear nerve

abducens nerve

vestibulocochlear nerve

vagus nerve

hypoglossal nerve

cerebral hemispheres

longitudinal fissure

central sulcus

frontal lobe

parietal lobe

occipital lobe

temporal lobe

pre-central gyrus

post central gyrus

Cerebellum

medulla oblongata

pons

thalamus

Hypothalamus

corpus callosum

lateral ventricles of brain

third ventricle of brain

cerebral aqueduct

fourth ventricle of brain

superior sagittal sinus

function of pre-central gyrus

primary motor cortex

Function of the post central gyrus (parietal lobe)

primary somatosensory cortex

function of medulla oblongata

vital functioning (breathing, digestion)

function of pons

Regulates respiration, swallowing, facial muscle movements

function of thalamus

sensory relay station

function of hypothalamus

body temperature, sleep, appetite, emotions, control of the pituitary gland

function of corpus callosum

communication between the two hemispheres

function of occipital lobe

visual processing

function of cerebellum

Balance and coordination

Function of olfactory nerve

smell

Test olfactory nerve

Offer them something to smell

function of oculomotor nerve

Eye movement - raise eyelid, rotate eye, adjust light & adjust focus

Test oculomotor nerve

draw large H's with finger make patients follow with eyes

function of trigeminal nerve

Motor: jaw movement

Sensory: sensation on the face and neck

Test trigeminal nerve

lightly touch different areas of the face, check for symmetry of response, have patient clench jaw and test for strength and equality of masseter muscles

function of facial nerve

Sensory for taste receptors on front of tongue. Motor for facial expressions.

test facial nerve

smile, raise eyebrows

function of glossopharyngeal nerve

Motor: pharyngeal movement and swallowing

Sensory: taste on the posterior 1/3 of tongue

test glossopharyngeal nerve

test gag reflex by touch arch of pharynx

function of accessory nerve

head and neck movement

test accessory nerve

ask patient to shrug shoulders and turn head against resistance

function of optic nerve

vision

test optic nerve

eye chart

function of trochlear nerve

eye movement

test trochlear nerve

Follow finger without moving your head to the bridge of your nose.

function of abducens nerve

eye movement pt2

test abducens nerve

draw large H's with finger make patients follow with eyes pt2

function of vestibulocochlear nerve

hearing and balance

test vestibulocochlear nerve

a. Rinne's test: place tune fork on mastoid process then ear (2nd position should be louder)

b. Webster's test: place tune fork on forehead center and ask if sound is louder on either side.

function of vagus nerve

swallowing and speaking

test vagus nerve

ask patient to speak, observe uvula.

function of hypoglossal nerve

tongue movement

Test hypoglossal nerve

stick tongue out

cervical plexus

C1-C5

supplies neck and phrenic nerve to the diaphragm

phrenic nerve (C3-C5)

innervates the diaphragm