Cranial Nerves

Question 1

CNI Olfactory

Answer 1

Function: Smell
Foramen: Cribriform Plate

Question 2

CNII - Optic

Answer 2

Function: Vision
Foramen: Optic Canals

Question 3

CNIII - Oculomotor

Answer 3

Function: Eye Movements
Foramen: Superior Orbital Fissure

Question 4

CNIV - Trochlear

Answer 4

Function: Eye Movements
Foramen: Superior Orbital Fissure

Question 5

CNV1- Trigeminal - Opthalmic

Answer 5

Function: Sensation of forehead and nose
Foramen: Superior Orbital Fissure

Question 6

CNV2- Maxillary

Answer 6

Function: Sensation in Maxillary and Zygomatic
Foramen: Foramen Rotundum

Question 7

CNV3 - Mandibular

Answer 7

Function: Sensation of mandible / mastication
Foramen: Foramen Ovale

Question 8

CNVI - Abducens

Answer 8

Function: Eye movement laterally
Foramen: Superior Orbital Fissure

Question 9

CNVII - Facial

Answer 9

Function:

1. Facial Expression
2. Salvation, lacrimation (tears)
3. Taste (Anterior 2/3)

Foramen: Internal Auditory Meatus

Question 10

CNVIII- Vestibulocochlear

Answer 10

Function: Balance / hearing
Foramen: Internal Auditory Meatus

Question 11

CNIX- Glossopharyngeal

Answer 11

Function:

1. Motor to pharynx
2. Salvation
3. Taste (posterior 1/3)

Foramen: Jugular Foramen

Question 12

CNX - Vagus

Answer 12

Function:

1. Talking / Swallowing
2. Viscera (parasympathetic to heart, lungs, GI)

Foramen: Jugular Foramen

Question 13

CNXI - Spinal Accessory

Answer 13

Function: Motor to Trapezius mm / SCM
Foramen: Jugular Foramen

Question 14

CNXII- Hypoglossal

Answer 14

Function: tongue movement
Foramen: Hypoglossal Foramen