Cranial Nerves

Question 1

Answer 1

Number: I

Name: Olfactory

Origin: Olfactory epithelium

Foramen: Cribriform plate

Function: Smell

Type: Sensory

Question 2

Answer 2

Number: II

Name: Optic

Origin: Retina

Foramen: Optic canals

Function: Vison

Type: Sensory

Question 3

Answer 3

Number: III

Name: Oculo-motor

Origin: Midbrain

Foramen: Superior Orbital Fissure

Function: Eye movement (eyelids, eyebrows)

Type: Motor

Question 4

Answer 4

Number: IV

Name: Trochlear

Origin: Midbrain

Foramen: Superior Orbital Fissure

Function: Moves eye = superior oblique

Type: Motor

Question 5

Answer 5

Number: V

Name: Trigeminal

Origin: Face

Foramen: Superior Orbital Fissure, Foramen Ovale, Foramen Rotundum

Function: Jaw, teeth, face bones

Type: Both

Question 6

Answer 6

Number: VI

Name: Abducens

Origin: Pons

Foramen: Superior Orbital Fissure

Function: Moves eye = lateral rectus

Type: Motor

Question 7

Answer 7

Number: VII

Name: Facial

Origin: Pons

Foramen: Internal acoustic meatus

Function: Facial expressions & tastes

Type: Both

Question 8

Answer 8

Number: VIII

Name: Vestibulocochlear

Origin: Inner ear

Foramen: Internal acoustic meatus

Function: “Inner ear” balance and hearing

Type: Sensory

Question 9

Answer 9

Number: IX

Name: Glossopharyngeal

Origin: Medulla

Foramen: Juglar foramen

Function: Back of throat “gag”

Type: Both

Question 10

Answer 10

Number: X

Name: Vagus

Origin: Medulla

Foramen: Juglar foramen

Function: Internal organs

Type: Both

Question 11

Answer 11

Number: XI

Name: (Spinal) Accessory

Origin: Medulla & spinal cord

Foramen: Foramen magnum & juglar

Function: Neck muscles

Type: Motor

Question 12

Answer 12

Number: XII

Name: Hypoglossal

Origin: Medulla

Foramen: Hypoglossal canal

Function: Below tongue

Type: Motor

Question 13

Answer 13

Number: I

Name: Olfactory

Origin: Olfactory epithelium

Foramen: Cribriform plate

Function: Smell

Type: Sensory

Question 14

Answer 14

Number: II

Name: Optic

Origin: Retina

Foramen: Optic canals

Function: Vison

Type: Sensory

Question 15

Answer 15

Number: III

Name: Oculo-motor

Origin: Midbrain

Foramen: Superior Orbital Fissure

Function: Eye movement (eyelids, eyebrows)

Type: Motor

Question 16

Answer 16

Number: IV

Name: Trochlear

Origin: Midbrain

Foramen: Superior Orbital Fissure

Function: Moves eye = superior oblique

Type: Motor

Question 17

Answer 17

Number: V

Name: Trigeminal

Origin: Face

Foramen: Superior Orbital Fissure, Foramen Ovale, Foramen Rotundum

Function: Jaw, teeth, face bones

Type: Both

Question 18

Answer 18

Number: VI

Name: Abducens

Origin: Pons

Foramen: Superior Orbital Fissure

Function: Moves eye = lateral rectus

Type: Motor

Question 19

Answer 19

Number: VII

Name: Facial

Origin: Pons

Foramen: Internal acoustic meatus

Function: Facial expressions & tastes

Type: Both

Question 20

Answer 20

Number: VIII

Name: Vestibulocochlear

Origin: Inner ear

Foramen: Internal acoustic meatus

Function: “Inner ear” balance and hearing

Type: Sensory

Question 21

Answer 21

Number: IX

Name: Glossopharyngeal

Origin: Medulla

Foramen: Juglar foramen

Function: Back of throat “gag”

Type: Both

Question 22

Answer 22

Number: X

Name: Vagus

Origin: Medulla

Foramen: Juglar foramen

Function: Internal organs

Type: Both

Question 23

Answer 23

Number: XII

Name: Hypoglossal

Origin: Medulla

Foramen: Hypoglossal canal

Function: Below tongue

Type: Motor

Question 24

Answer 24

Number: XI

Name: (Spinal) Accessory

Origin: Medulla & spinal cord

Foramen: Foramen magnum & juglar

Function: Neck muscles

Type: Motor