about the cranial nerves

Question 1

sense of smell

Answer 1

olfactory

Question 2

test via sniff aromatic substance

Answer 2

olfactory

Question 3

homeostatic imbalance - anosmia

Answer 3

olfactory

Question 4

sense of vision

Answer 4

optic

Question 5

thalamus relay to occipital snellen eye chart to test; damage= affected eye blindness

Answer 5

optic

Question 6

eye movement (4 of 6 extrinsic eye muscle)

Answer 6

oculomotor

Question 7

parasympathetic fiberx to sphincter pupillae- pupil restriction

Answer 7

oculomotor

Question 8

damage to oculomotor nerve means

Answer 8

not move eye up down in. lateral rotationi at rest. ptosis. double vision

Question 9

eye movement of superior oblique extrinsic eye muscle

Answer 9

trochlear

Question 10

you test the trochlear with one nerve

Answer 10

CNIII

Question 11

eye movement of lateral rectus

Answer 11

abducens

Question 12

damage to trochlear causes

Answer 12

double vision and not rotate eye inferolateral

Question 13

what nerve do you test with abducens

Answer 13

CNIII

Question 14

damage to abducens causes

Answer 14

not move laterally
rest medially

Question 15

largest cranial nerve

Answer 15

trigeminal

Question 16

sensory to face, motor to mastication muscles

Answer 16

trigeminal

Question 17

3 branches of trigeminal

Answer 17

ophthalmic VI
maxillary V2
mandibular V3

Question 18

corneal reflex (blind is what nerve)

Answer 18

ophthalmic VI

Question 19

pain, touch temperature (cheek)

Answer 19

maxillary V2

Question 20

clench teeth, open jaw- chewing

Answer 20

manidbular V3

Question 21

5 branches, temporal, zygomatic, buccal, mandibular, cervical

Answer 21

facial

Question 22

sense of taste is what portion of the tongue

Answer 22

anterior 2/3

Question 23

motor to muscle of facial expression

Answer 23

facial

Question 24

parasympathetic fibers to submandibular and sublingual salivary glands, lacrimal gland, nasal cavity, palate glands

Answer 24

facial

Question 25

facial nerves test for

Answer 25

taste, check facial symmetry, assess tearing

Question 26

damage to facial nerve results in

Answer 26

facial palsy, lose taste, decreased salivation

Question 27

sense of hearing and balance

Answer 27

vestibulocochlear

Question 28

parasympathetic fibers to sphincter pupillae=

Answer 28

pupil restriction

Question 29

what does vestibulocohlear test for

Answer 29

air and bone conduction via tuning fork

Question 30

damage to vestibulocochlear results in

Answer 30

loss of hearing, loss of balance

Question 31

sensory to taste

Answer 31

glossopharyngeal

Question 32

posterior 1/3 tongue

Answer 32

glossopharyngeal

Question 33

general sensory (pain, touch, pressure) impulses from pharynx, posterior tongue, from chemoreceptors carotid body

Answer 33

glossopharyngeal

Question 34

how do you test the glossopharyngeal

Answer 34

check ulva position, gag/swallow reflex, speak and cough

Question 35

what happens when the glossopharyngel is damaged

Answer 35

impaired swallowing and taste, decreased salivation

Question 36

impulses from baroreceptors carotid sinus. motor to pharyngeal muscle

Answer 36

glossopharyngeal

Question 37

longest cranial nerve

Answer 37

vagus

Question 38

what nerve goes into thoracic and abdominal cavities

Answer 38

vagus

Question 39

sensory from thoracic and abdominal viscera, aoritic arch baroreceptors, carotid and aoritic bodies chemoreceptors. taste buds

Answer 39

vagus

Question 40

motor to skeletal muscles of pharynx and larynx

Answer 40

vagus

Question 41

parasympathetic motor fibers to heart, lungs, abdominal viscera for HR, RR, digestive activity

Answer 41

vagus

Question 42

what do you use to test the vagus nerve

Answer 42

CNIX

Question 43

damage to vagus nerve results in

Answer 43

vagal nerve paralysis difficulty swallowing hoarseness ulva deviates from side of dysfunction impaired digestive motility

Question 44

cranial rootlets from CNX, not brain/ passes through the skull

Answer 44

accessory

Question 45

motor to sternocleidomastoid and trapezius move head and neck

Answer 45

accessory

Question 46

test strength by elevating shoulders, rotation of neck

Answer 46

accessory

Question 47

damage to accessory nerve results in

Answer 47

difficulty shrugging shoulders, rotation of neck against resistance. head turns towards side of injured nerve

Question 48

motor to tongue and throat muscles

Answer 48

hypoglossal

Question 49

swallow and speech

Answer 49

hypoglossal

Question 50

positions food between teeth to chew, then moves through tongue out of the way

Answer 50

hypoglossal

Question 51

how do you test the hypoglossal nerve

Answer 51

protusion and retraction of tongue, should be midline

Question 52

damge to hypoglossal means

Answer 52

tongue deviates toward side of damaged nerve, both= cannot protrude