Cranial Nerve

Question 1

I

Answer 1

Olfactory
• Sensory
• Control the sense of smell

Question 2

II

Answer 2

Optic
• Sensory
• Controls Vision

Question 3

III

Answer 3

Oculomotor
• Motor
• Controls pupillary constriction, upper eyelid elevation, and most eye movement
• III, IV & VI goes together

Question 4

IV

Answer 4

Trochlear
• Motor
• Controls downward and inward eye movement
• III, IV & VI goes together

Question 5

V

Answer 5

Trigeminal
• Sensory and Motor
• Controls sensation in:
1. the cornea
2. nasal
3. oral mucosa
4. facial skin
5. mastication

Question 6

VI

Answer 6

Abducens
• Motor
• Controls lateral eye movement
• III, IV, VI goes together

Question 7

VII

Answer 7

Facial
• Sensory and Motor
• Controls movement of the face and taste sensation

Question 8

VIII

Answer 8

Auditory or Vestibulocochlear
• Sensory
• Controls hearing and vestibular function

Question 9

IX

Answer 9

Glossopharyngeal
• Sensory and Motor
• Control swallowing ability
• Sensation in the pharyngeal soft palate and tonsillar mucosa
• Taste perception on the posterior third of the tongue
• Salivation
• IX & X goes together

Question 10

X

Answer 10

Vagus
• Sensory and motor
• Controls swelling and phonation
• Sensation in the exterior ear’s posterior wall
• Sensation behind the ear
• Controls sensation in the thoracic and abdominal viscera

Question 11

XI

Answer 11

Accessory
• Motor
• Controls strength of neck and shoulder muscles

Question 12

XII

Answer 12

Hypoglossal
• Motor
• Controls tongue movement involved in swallowing and speech