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Flashcards in Cranial Nerves Deck (38)
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1

Mnemonic for Memorizing cranial nerves

Old Opin Occasionally Tries Trigonometry And Feels Very Gloomy, Vague, and Hypoactive

2

Mnemonic for afferent (sensory) and efferent (motor)

Some Say Marry Money But My Brother Says Big Business Makes Money

3

CN I

Olfactory

4

Test for CN I

Identify familiar odors (i.e. coffee, chocolate)

5

CN I: afferent or efferent

Afferent (sensory): Smell-nose

6

CN II

Optic

7

Test for CN II

Test Visual Fields

8

CN II: Afferent or Efferent or both

Afferent (sensory): Sight-eye

9

CN III

Oculomotor

10

Test for CN III

Upward, downward, and medial gaze

Reaction to light

11

CN III: Afferent/Efferent/Both

Efferent (motor):

Voluntary motor: Levator of eyelid; superior Meidal and inferior reaction; inferior oblique muscle of eyeball

Autonomic: smooth muscle of eyeball

12

CN IV

Trochlear

13

CN IV Test?

Downward and inward gaze (Extropia/Esotropia)

14

CN IV: Afferent/Efferent/ Both

Efferent (motor)

Voluntary motor: superior oblique muscle of eyeball

15

CN V

Trigeminal

16

CN V test?

Corneal reflex
Face sensation
Clench teeth; push down on chin to separate jaw

17

CN V: Afferent/Efferent/Both

Both.

Afferent (sensory): Touch, pain: skin of face, mucous membranes of nose, sinuses, mouth and ANTERIOR Tongue

Efferent (motor): Voluntary motor: muscles of mastication

18

CN VI

Abducens

19

CN VI test?

Lateral gaze (exotropia)

20

CN VI: afferent/efferent/both

Efferent (motor)

Voluntary motor: lateral Rectus muscle of eyeball

21

CN VII

Facial

22

CN VII Test?

Close eyes tight
Smile and show teeth
Whistle and puff cheek s
Identify familiar tastes (e.g. sweet, sour)

23

CN VII: Afferent/Efferent/Both

Both

Afferent (sensory): Anterior tongue

Efferent (motor): Voluntary motor: Facial muscles
Autonomic motor: Lacrimal, submandibluar, and sublingual glands

24

CN VIII

Vestibulocochlear (acoustic nerve)

25

CN VIII Test?

Hear watch ticking
Hearing tests
Balance and coordination tests

26

CN VIII: Afferent/Efferent/Both

Afferent (Sensory): Hearing: Ear Balance: Ear

27

CN IX

Glosspharyngeal

28

CN IX Test?

Gag Reflex
Ability to Swallow

29

CN IX: Afferent/Efferent/Both

Both

Afferent (Sensory): Touch, pain: POSTERIOR Tongue (1/3), pharynx
Taste: Posterior tongue

Efferent (motor): Voluntary motor: Select Muscles of pharynx
Autonomic motor: Parotid gland

30

CN X

Vagus