Cranial Nerves

Question 1

I

Answer 1

Olfactory
Sensory
Smell

Question 2

II

Answer 2

Optic
Sensory
Sight

Question 3

III

Answer 3

Oculomotor
Motor
SR, IR, MR, IO, lavatory palpebrae, constricts pupil

Question 4

IV

Answer 4

Trochlear
Motor
SO

Question 5

V

Answer 5

Trigeminal
Both
Sensory: ophthalmic, maxillary, some mandibular
Motor: masseter, temporalis, mylohyoid, anterior belly of digastric

Question 6

VI

Answer 6

Abducens
Motor
Lateral Rectus

Question 7

VII

Answer 7

Facial
Both
Motor: facial expressions, salivary glands, lacrimal glands
Special sense: taste anterior 2/3 of tongue

Question 8

VIII

Answer 8

Vestibulocochlear
Sensory
Balance

Question 9

IX

Answer 9

Glossopharyngeal
Both
Taste, swallow, and spitting
Motor: parotid gland
Sensory: carotid sinus, posterior 1/3 of tongue
Special sense: taste

Question 10

X

Answer 10

Vagus
Both
Motor- laryngeal, pharyngeal muscles, heart, G.I. tract, visceral organs, thorax
Rest and digest

Question 11

XI

Answer 11

Spinal accessory
Motor
Sternocleidomastoid, trapezius

Question 12

XII

Answer 12

Hypoglossal
Motor
Tongue, genioglossus, styloglossus, hyoglossus