Cranial Nerves

Question 1

Name mneumonic

Answer 1

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Question 2

Function Mneumonic

Answer 2

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Question 3

I

Answer 3

Olfactory
SSA - Olfaction
Just olfactory epithelium to bulb

Question 4

II

Answer 4

Optic
SSA - Vision

Question 5

III

Answer 5

Oculomotor
GSE - Most motors of voluntary eye movement, including Medial Rectus
GVE - Pupil diameter and Ciliary Muscle (ANS Ciliary Ganglion)

Question 6

IV

Answer 6

Trochlear
GSE - Superior oblique
Only C.N. From dorsal brainstem
Only contralateral C.N.

Question 7

V

Answer 7

Trigeminal
GSA - Face/Skull
Branchial motor - muscles of mastication
3 components

Question 8

V1

Answer 8

Ophthalmic
Sensory for orbit, eye, and forehead

Question 9

V2

Answer 9

Maxillary
Upper teeth to nasal cavity

Question 10

V3

Answer 10

Mandibular
Lower teeth to chin, and anterior tongue
Motor for muscles of mastication

Question 11

VI

Answer 11

Abducens
Lateral Rectus of eye

Question 12

VII

Answer 12

Facial
Branchial - facial expression
GVE - salivary + lacrimal glands
SSA - taste for anterior 2/3 of tongue
GSA - Skin around ear
Geniculate ganglion
Crosses chorda tympani

Question 13

VIII

Answer 13

Vestibulocochlear
SSA - Sound and vestibular system

Question 14

IX

Answer 14

Glossopharyngeal
Branchial - long muscle name
GVE - parotid gland
GSA - pharynx (gag reflex), middle ear/mastoid air cells, posterior tongue
SSA - posterior tongue taste, carotid (blood pressure, CO2 levels)

Question 15

X

Answer 15

Vagus
Branchial - pharyngeal constrictors (swallowing, gag reflex), Larynx (speaking)
GVE - Organs in thorax/abdomen
GSA - External ear canal
SSA - taste buds (uvula), epiglottis

Question 16

XI

Answer 16

Accessory
Branchial Motor - SCM and Trapezius

Question 17

XII

Answer 17

Hypoglossal
GSE - intrinsic/extrinsic tongue muscles