Cranial nerves

Question 1

Cranial nerve I

Answer 1

Olfactory: S- smell:

-tested by identify odors w/ eyes closed

Question 2

Cranial nerve II

Answer 2

Optic: S- vision + pupillary reaction:

-Test peripheral vision w/ one eye covered

Question 3

Cranial nerve III

Answer 3

Oculomotor: M-eye movement + pupillary reaction:

-Test peripheral vision, eye chart, reaction to light

Question 4

Cranial nerve IV

Answer 4

Trochlear: M- eye movement

Test ability to depress and abduct the eye

Question 5

Cranial nerve V

Answer 5

Trigeminal: Both (M + S)- face sensation and mastication

Test face sensation and clench teeth

Question 6

Cranial nerve VI

Answer 6

ABDUCENS: M- eye movement- Test ability to abduct eye past midline

Question 7

Cranial nerve VII

Answer 7

FACIAL: Both- facial muscles and taste

Close eyes and smile; detect various tastes- sweet, sour, salty, bitter

Question 8

Cranial nerve VIII

Answer 8

VESTIBULOCOCHLEAR aka ACOUSTIC: S- hearing and balance

Test hearing; balance-feet together, eyes open/closed x 5 sec; test for past-pointing

Question 9

Cranial nerve IX

Answer 9

GLOSSOPHARYNGEAL: Both- swallow, voice, gag reflex

Test swallow and say “ahh” use tongue depressor to elicit gag reflex

Question 10

Cranial nerve X

Answer 10

VAGUS: Both- swallow, voice, gag reflex same as IX

Question 11

Cranial nerve XI

Answer 11

Accessory: M- SCM and trapezius- Rotate/SB neck; shrug shoulders

Question 12

Cranial nerve XII

Answer 12

Hypoglossal: M- tongue movement

Test protrude tongue (watch for lat. deviation)

Question 13

Mnemonic for names: EXPLICIT

Answer 13

Oh! Oh! Oh! To Touch And Feel (a) Virgin Girl’s Vagina And Hymen

Question 14

Mnemonic for type of nerve

Answer 14

Some Say Marry Money But My Brother Says Big Brains Matter More