Cranial Nerves

Question 1

I

Answer 1

Olfactory

sensory - smell

Question 2

II

Answer 2

Optic

sensory - vision

Question 3

III

Answer 3

Occulomotor

motor - reflexive constriction of pupil

Question 4

IV

Answer 4

Trochlear

motor - depression, adduction of the eye

Question 5

V

Answer 5

Trigeminal
sensory - light touch, pain and temperature to the face, mouth, posterior 2/3 of tongue and teeth
motor - muscles of the jaw for speech and chewing

Question 6

VI

Answer 6

Abducens

motor - extraocular eye muscles

Question 7

VII

Answer 7

Facial
sensory - sensation from ear, taste anterior 2/3 of tongue
motor - muscles of facial expression (lips), salivary glands

Question 8

VIII

Answer 8

Vestibulo-cochlear

sensory - hearing, vestibular function and balance

Question 9

IX

Answer 9

Glossopharyngeal
sensory - taste posterior 1/3 of tongue, general sensation posterior 1/3 of tongue, palate and oropharynx, gag reflex
motor - stypharyngeus muscle; contributes to swallowing, parotid salivary gland (autonomic)

Question 10

X

Answer 10

Vagus
sensory - general sensation from pharynx, larynx, taste epiglottis and pharynx
motor - soft palate, pharynx, larynx, oesophagus, stomach, heart

Question 11

XI

Answer 11

Accessory

motor - head/shoulder muscles

Question 12

XII

Answer 12

Hypoglossal

motor - tongue movement