Just Cranial Nerves

Question 1

CN I

Answer 1

Olfactory

Sense of Smell

Question 2

CN II

Answer 2

Optic

Vision

Question 3

CN III

Answer 3

Oculomotor

• Raise eyelids
• move eyes, adjust light entering eyes, focus lenses
• proprioception

Question 4

CN IV

Answer 4

Trochlear

• Move eyes
• Proprioception

Question 5

CN V

Answer 5

Trigeminal

• Feeling in eye surfaces, tear glands, scalp, forehead, upper eyelids, upper and lower teeth, gums, and lips,
• Controls muscles of mastication and floor of mouth

Question 6

CN VI

Answer 6

Abducens

• Moves eyes
• Proprioception

Question 7

CN VII

Answer 7

Facial

• Taste
• Controls facial expression, tear glands, and salivary glands

Question 8

CN VIII

Answer 8

Vestibulocochlear

• Equilibrium
• Hearing

Question 9

CN IX

Answer 9

Glossopharyngeal

• Sensory fibers from pharynx, tonsils, posterior tongue, and carotid arteries
• Controls salivary glands and swallowing muscles

Question 10

CN X

Answer 10

Vagus

• Sensory fibers from pharynx, larynx, esophagus, and viscera of abdomen
• Motor fibers for speech, swallowing, and viscera of thorax and abdomen (autonomic)

Question 11

CN XI

Answer 11

Accessory

• Motor fibers to soft palate, larynx, neck, and back
• Some proprioception

Question 12

CN XII

Answer 12

Hypoglossal

• Moves tongue
• Some proprioception