Cranial Nerves

Question 1

I

Answer 1

Olfactory

Type: Sensory
Function: Olfactory (smell) information from nose.

Question 2

II

Answer 2

Optic

Type: Sensory
Function: Visual information from eyes.

Question 3

III

Answer 3

Oculomotor

Type: Motor
Function: Eye movement, pupil constriction, lens shape.

Question 4

IV

Answer 4

Trochlear

Type: Motor
Function: Eye movement

Question 5

V

Answer 5

Trigeminal

Type: Mixed
Function: Sensory information from face, mouth; motor signals from chewing.

Question 6

VI

Answer 6

Abducens

Type: Motor
Function: Eye movement.

Question 7

VII

Answer 7

Facial

Type: Mixed
Function: Sensory for taste; efferent signals for tear and salivary glands, facial expressions=

Question 8

VIII

Answer 8

Vestibulocochlear

Type: Sensory
Function: Hearing and equilibrium

Question 9

IX

Answer 9

Glossopharyngeal

Type: Mixed
Function: Sensory from oral cavity, baro- and chemoreceptors in blood vessels; efferent for swallowing, parotid salivary gland secretion

Question 10

X

Answer 10

Vagus

Type: Mixed
Function: Sensory and efferent to many internal organs, muscles, and glands

Question 11

XI

Answer 11

Spinal accessory

Type: Motor
Function: Some muscles in neck and shoulder

Question 12

XII

Answer 12

Hypoglossal

Type: Motor
Function: Tongue muscles