Cranial Nerves For Lab Quiz

Front 1

What is anosmia?

Back 1

loss of smell

Front 2

What is the word for the loss of smell?

Back 2

anosmia

Front 3

Name all the features on the optic nerve

Back 3

optic nerve
optic chiasm
optic tract

Front 4

How do you test the optic nerve?

Back 4

eye chart

Front 5

what muscle does the oculomotor nerve innervate?

Back 5

levator palpebrae (the muscle that raises the upper eyelid)

Front 6

What does the oculomotor nerve innervate?

Back 6

sphincter muscle of iris
ciliary muscle that controls lens shape

Front 7

Which cranial nerves are tested using the H pattern?

Back 7

III, IV, and VI

Front 8

Which nerve is affected if you see someon drooping the upper eyelild?

Back 8

occulomotor

Front 9

Which nerve is the smallest of the 12 cranial nerves?

Back 9

Trochlear nerve

Front 10

What can result due to paralysis of Cranial nerve IV?

Back 10

loss of function in the superior oblique so that one is unable to turn his eye outward and downward.

Front 11

what does the motor division of nerve V do?

Back 11

Muscles of mastication (masseter, temporalis, medial and lat pterygoids

Front 12

What does the sensory division of nerve V do?

Back 12

sensations of touch, temperature, and pain from the opthalmic nerve branch, maxillary nerve branch, and the mandibular nerve branch

Front 13

What are all the divisions of Nerve V?

Back 13

opthalmic, maxillary, and mandibular

Front 14

What does the motor function of nerve V do?

Back 14

innervates muscles of mastication masseter, temporalis, and medial and lateral pterygoids

Front 15

How would you test the sensory division Cranial nerve V?

Back 15

cotton over the mandibular, maxillary, and eye regions of the face

Front 16

How would you test the motor division of cranial nerve V?

Back 16

clench teeth and palpate muscles, hold hand under jaw and have person open mouth

Front 17

Which nerve is frequently involved in fractures of the base of the skull than any other cranial nerve and what would injury to this nerve do?

Back 17

VI, injury to lateral rectus muscle: can't move eye laterally

Front 18

Which nerve is responsible for all the muscles of expression in the face?

Back 18

facial nerve

Front 19

What are the motor fibers of nerve VII responsible for?

Back 19

Innervates muscles of facial expression (i.e. epicranius, buccinators, obicularis oris, and platysma) innervation of the muscles of the scalp and of the face, the lacrimal glands, the mandibular glands, sublingual, and salivary glands.

Front 20

What are the sensory fibers of nerve VII responsible for?

Back 20

innervate the anterior 2/3 of the tongue

Front 21

Which nerve is more frequently paralyzed than any of the 12 cranial nerves?

Back 21

Facial nerve

Front 22

What can cause paralysis to nerve VII?

Back 22

blood-clots put pressure on the nerve, middle ear disease, exposure to cold/lesions

Front 23

what would paralysis of nerve VII lead to?

Back 23

inability to frown, close eyelids, tears run down cheeks
BELL'S PALSY

Front 24

how would you test the motor part of the facial nerve?

Back 24

smile, whistle, puff cheeks, raise eyebrows, close eyes, and wrinkle forehead

Front 25

How do you test the sensory function of facial nerve VII?

Back 25

sugar solution at tip of the tongue

Front 26

which nerve would you be testing if you were tasting a cotton tip dipped in sugar?

Back 26

VII

Front 27

Which nerve is responsible for hearing and equalibrium?

Back 27

vestibulocochlear nerve

Front 28

How do you test the vestibulocochlear nerve branch of VIII?

Back 28

spin around

Front 29

What 2 tests would you do for nerve VIII? Why 2?

Back 29

spin, rubbing fingers together 2 nerve branches: vestibulocochlear and cochlear

Front 30

What do the motor fibers of IX do?

Back 30

innervate the parotid salivary gland, and muscles of swallowing

Front 31

What do the sensory fibers of nerve IX do?

Back 31

sense of taste to all areas of the tongue

Front 32

Which nerve would you be testing if you tasted tonic water?

Back 32

IX

Front 33

which nerve supplies the organs of voice and respiration?

Back 33

vagus nerve

Front 34

What does 3 things does the motor division of the vagus nerve do?

Back 34

innervates the pharynx, stomach, and heart

Front 35

How would you test X?

Back 35

gag response, say "ah" -uvula

Front 36

What does the acessory nerve innervate?

Back 36

muscles of swallowing, as well as sternocleodomastoid and trapezius muscle

Front 37

How do you test nerve XI?

Back 37

shrug shoulders while person pushes down

Front 38

Which nerve is the motor nerve for the tongue?

Back 38

Hypoglossal nerve

Front 39

Damage to which nerve would leave you with the inability to stick your tongue out at a person?

Back 39

hypoglossal nerve

Front 40

If the tongue deviates to one side, what is this indicative of?

Back 40

ipsilateral nerve dysfunciton of the hypoglossal nerve