Cranial Nerves

Question 0

Optic (CN II)

Answer 0

sensory
Optic canal
vision from retina

Question 1

Olfactory (CN I)

Answer 1

(special sensory) Foramina in cribriform plate of ethmoid bone
smell from nasal mucosa

Question 2

Oculomotor (CN III)

Answer 2

Motor
superior orbital fissure
Motor to eye muscles and raises eyelid
turns eyeball: superior inferior and medial

Question 3

Trochlear (CN IV)

Answer 3

motor
superior orbital fissure
superior oblique inferolaterally and adducting

Question 4

trigeminal (CN V)

Answer 4

sensory
ophthalamic-superior orbital fissure cornea scalp eye lidsnose
maxillary-foramen rotundum skin over maxilla sensory
Mandibular- foramen ovale skin over mandible motor

Question 5

abducent (CN VI)

Answer 5

motor
superficial orbital fissure
lateral rectus turn eye laterally

Question 6

facial (CN VII)

Answer 6

motor-facial musles
sensory taste
sensory acoustic meatus skin
motor-parasymp submandible sublingual salivary glands lacrimal glands
internal acoustic meatus; facial canal; styloidmastoid foramnen

Temporal zygomatic buccal mandibular cervical

Question 7

Vestibulocochlear (CN VIII)

Answer 7

vestibular -sensory internal acoustic meatus vestibular sensation

cochlear -sensory internal acoustic meatus-hearing from spiral organ

Question 8

Glossopharyngeal (CN IX)

Answer 8

jugular foramen
(M) to stylopharygeusb assit swallowing
(M) parasym parotid gland
(S) external ear pharynx
(S) carotid body sinus

Question 9

Vagus ( CN X) Vagus

Answer 9

jugular foramen
(M) to constrict pharynx
(M)parasymp trachea bronhi digestive
(S)base of tounge pharynx larynx trachea bronchi heart esophagus
(S)taste from epiligottis
(S) to auricle dura mater posterior cranilal fossa

Question 10

Spinal accessory (CN X1)

Answer 10

motor

SCM Trap

Question 11

Hypoglossal (CN X II)

Answer 11

motor intrinsic and extrinsic muscles of tongue