Cranial Nerve Info

Question 1

Identify the motor/general sensory/special sensory/autonomic/foramen of Olfactory C.N. I

Answer 1

Motor: N/A
General Sensory: N/A
Special Sensory: Smell
Autonomic: N/A
Foramen: Cribiform plate foramina

Question 2

Identify the motor/general sensory/special sensory/autonomic/foramen of Optic C.N. II

Answer 2

Motor: N/A
General Sensory: N/A
Special Sensory: Vision
Autonomic: N/A
Foramen: Optic Canal

Question 3

Identify the motor/general sensory/special sensory/autonomic/foramen of Oculomotor C.N. III

Answer 3

Motor: 5/7 extra ocular muscles
General Sensory: N/A
Special Sensory: N/A
Autonomic: Pupil constriction, Lens accommodation
Foramen: Superior orbital fissure

Question 4

Identify the motor/general sensory/special sensory/autonomic/foramen of Trochlear C.N. IV

Answer 4

Motor: 1/7 extra ocular muscles
General Sensory: N/A
Special Sensory: N/A
Autonomic: N/A
Foramen: superior orbital fissure

Question 5

Identify the motor/general sensory/special sensory/autonomic/foramen of Trigeminal Ophthalamic C.N. V1

Answer 5

Motor: N/A
General Sensory: Skin above eyes (Supraorbital n.), Cornea
Special Sensory: N/A
Autonomic: N/A
Foramen: Superior orbital fissure

Question 6

Identify the motor/general sensory/special sensory/autonomic/foramen of Trigeminal Maxillary C.N. V2

Answer 6

Motor: N/A
General Sensory: Skin from below eyes to lips (infraorbital n.), Upper teeth
Special Sensory: N/A
Autonomic: N/A
Foramen: Foramen rotundum

Question 7

Identify the motor/general sensory/special sensory/autonomic/foramen of Trigeminal Mandibular C.N. V3

Answer 7

Motor: M. of mastication
General Sensory: Skin below lips (mental n.), Lower teeth (inferior alveolar n.), Anterior 2/3 of tongue (lingual n.)
Special Sensory: N/A
Autonomic: N/A
Foramen: Foramen ovale

Question 8

Identify the motor/general sensory/special sensory/autonomic/foramen of Abducens C.N. VI

Answer 8

Motor: 1/7 extra ocular m.
General Sensory: N/A
Special Sensory: N/A
Autonomic: N/A
Foramen: superior orbital fissure

Question 9

Identify the motor/general sensory/special sensory/autonomic/foramen of Facial C.N. VII

Answer 9

Motor: M. of facial expression
General Sensory: Ear canal, part of auricle
Special Sensory: Taste from anterior 2/3 of tongue (chorda tympani n.)
Autonomic: Lacrimal glands, Submandibular salivary glands, Sublingual salivary glands
Foramen: Internal acoustic meatus (enter), Stylomastoid foramen (exit)

Question 10

Identify the motor/general sensory/special sensory/autonomic/foramen of Vestibulocochlear C.N. VIII

Answer 10

Motor: N/A
General Sensory: N/A
Special Sensory: Hearing, Balance
Autonomic: N/A
Foramen: Internal acoustic meatus

Question 11

Identify the motor/general sensory/special sensory/autonomic/foramen of Glossopharyngeal C.N. IX

Answer 11

Motor: Pharyngeal m.
General Sensory: Wall of pharynx, Posterior 1/3 of tongue
Special Sensory: Taste (posterior 1/3 of tongue)
Autonomic: Parotid salivary gland
Foramen: Jugular foramen

Question 12

Identify the motor/general sensory/special sensory/autonomic/foramen of Vagus C.N. X

Answer 12

Motor: Pharyngeal m., Laryngeal m.
General Sensory: Ear canal
Special Sensory: Taste (base of tongue)
Autonomic: Thoracic & Abdominal viscera
Foramen: Jugular foramen

Question 13

Identify the motor/general sensory/special sensory/autonomic/foramen of Accessory C.N. XI

Answer 13

Motor: Trapezius m., Sternocleidomastoid m.
General Sensory: N/A
Special Sensory: N/A
Autonomic: N/A
Foramen: Jugular foramen

Question 14

Identify the motor/general sensory/special sensory/autonomic/foramen of Hypoglossal C.N. XII

Answer 14

Motor: M. of tongue
General Sensory: N/A
Special Sensory: N/A
Autonomic: N/A
Foramen: Hypoglossal canal