cranial nerves

Question 1

is cranial nerve I sensory or motor

Answer 1

sensory

Question 2

is cranial nerve II sensory or motor

Answer 2

sensory

Question 3

is cranial nerve III sensory or motor

Answer 3

motor

Question 4

is cranial nerve IV sensory or motor

Answer 4

motor

Question 5

is cranial nerve V sensory or motor

Answer 5

sensory and motor

Question 6

is cranial nerve VI sensory or motor

Answer 6

motor

Question 7

is cranial nerve VII sensory or motor

Answer 7

sensory and motor

Question 8

is cranial nerve VIII sensory or motor

Answer 8

sensory

Question 9

is cranial nerve IX sensory or motor

Answer 9

sensory and motor

Question 10

is cranial nerve X sensory or motor

Answer 10

sensory and motor

Question 11

is cranial nerve XI sensory or motor

Answer 11

motor

Question 12

is cranial nerve XII sensory or motor

Answer 12

motor

Question 13

what is the major function of cranial nerve I

Answer 13

sense of smell

Question 14

what is the major function of cranial nerve II

Answer 14

vision

Question 15

what is the major function of cranial nerve III

Answer 15

eye movements, pupillary constriction, upper eyelid muscles

Question 16

what is the major function of cranial nerve IV

Answer 16

eye movements, up/down

Question 17

what is the major function of cranial nerve V

Answer 17

somatic sensation from face, mouth, cornea
muscles of mastication
aids in pupillary dilation

Question 18

what is the major function of cranial nerve VI

Answer 18

eye movements, side to side

Question 19

what is the major function of cranial nerve VII

Answer 19

muscles of facial expression, taste (anterior tongue), lacrimal/salivary glands, somatic sensation from small part of ear

Question 20

what is the major function of cranial nerve VIII

Answer 20

hearing, sense of balance

Question 21

what is the major function of cranial nerve IX

Answer 21

swallowing muscle, sensation/taste posterior tongue, salivary gland, somatic sensation small part of ear

Question 22

what is the major function of cranial nerve X

Answer 22

autonomic functions of gut, cardiac inhibition, sensation from larynx/pharynx, vocal cords, swallowing, somatic sensation small part of ear

Question 23

what is the major function of cranial nerve XI

Answer 23

shoulder and neck muscles

Question 24

what is the major function of cranial nerve XII

Answer 24

movements of tongue

Question 25

what is a clinical test of function for cranial nerve I

Answer 25

test sense of smell with standard odor

Question 26

what is a clinical test of function for cranial nerve II

Answer 26

acuity, pupillary light reflex, and integrity of visual field

Question 27

what is a clinical test of function for cranial nerve III

Answer 27

test eye movements, pupillary light reflex

Question 28

what is a clinical test of function for cranial nerve IV

Answer 28

can't look downward when eye adducted

Question 29

what is a clinical test of function for cranial nerve V

Answer 29

face sensation, clamp jaw tightly

Question 30

what is a clinical test of function for cranial nerve VI

Answer 30

can't look laterally

Question 31

what is a clinical test of function for cranial nerve VII

Answer 31

test facial expression

Question 32

what is a clinical test of function for cranial nerve VIII

Answer 32

test audition with tuning fork, vestibular function by gaze fixation

Question 33

what is a clinical test of function for cranial nerve IX

Answer 33

test swallowing, pharyngeal gag reflex

Question 34

what is a clinical test of function for cranial nerve X

Answer 34

observe posterior pharynx at rest and during phonation

Question 35

what is a clinical test of function for cranial nerve XI

Answer 35

test sternocleidomastoid and trapezius muscles

Question 36

what is a clinical test of function for cranial nerve XII

Answer 36

test deviation of tongue and symmetry of force when pressing tongue against cheek