Cranial nerves

Question 1

I

Answer 1

olfactory; smell

Question 2

II

Answer 2

Optic; Vision

Question 3

III

Answer 3

oculomotor; PERRLA (tests vision and pupils)

Question 4

IV

Answer 4

trochlear; MOVEMENT of eyes is all fields of gaze

Question 5

V

Answer 5

trigeminal; sensation, motor, corneal reflex of the face

Question 6

VI

Answer 6

abducens; fields of gaze

Question 7

VII

Answer 7

facial; smile, frown, puff cheeks, close eyes

Question 8

VIII

Answer 8

vestibulocochlear; hearing and gait

Question 9

IX

Answer 9

(9) glossopharyngeal; swallow, gag

Question 10

X

Answer 10

(10) vagus; swallow and speak

Question 11

XI

Answer 11

accessory; shrug and turn head

Question 12

XII

Answer 12

(12) hypoglossal; tongue movement

Question 13

testing optic nerve

Answer 13

II, have patient hold Snellen chart at arms length or read from normal Snellen chart

Question 14

testing oculomotor nerve

Answer 14

III, PERRLA

Question 15

testing trochlear nerve

Answer 15

IV, move penlight in all fields of gaze

Question 16

testing trigeminal nerve

Answer 16

V; blink reflex, light and deep sensation of the face and determine hot vs cold

Question 17

testing abducens nerve

Answer 17

VI; six cardinal fields of view

Question 18

testing facial nerve

Answer 18

VII; raise eyebrows, smile, frown, puff cheeks and close eyes

Question 19

testing vestibulocohlear

Answer 19

VIII; occlude one ear and whisper near the opposite ear, assess patients gait

Question 20

Testing glossopharyngeal

Answer 20

IX; patient says “ah” to observe upward movement of soft palate, gag reflex, ability to swallow

Question 21

testing vagus nerve

Answer 21

X; swallow and speak

Question 22

testing accessory nerve

Answer 22

XI; shrug and turn head against force

Question 23

testing hypoglossal

Answer 23

XII; protrude tongue and move laterally