Cranial Nerves

Question 1

I Olfactory Nerve

Answer 1

Sensory; responsible for sense of smell

Question 2

II Optic Nerves

Answer 2

Sensory; carries visual information

Question 3

III The Oculomotor Nerves

Answer 3

Motor; moves the eye and raises the upper eyelid

Question 4

IV The Trochlear Nerves

Answer 4

Motor; moves the eye down and to the side

Question 5

V The Trigeminal Nerves

Answer 5

Sensory and motor; sensory information from head and face, motor control over the muscles of mastication

Question 6

VI The Abducens Nerves

Answer 6

Motor; enables abduction of the eye

Question 7

VII The Facial Nerves

Answer 7

Sensory and motor; sensation from face, taste information and controls the superficial muscles of the scalp and face, deep muscles of the ear

Question 8

VIII The Vestibulocochlear Nerves

Answer 8

Sensory; hearing and balance

Question 9

IX The Glossopharyngeal Nerves

Answer 9

Sensory and motor; Carries sensory information from the pharynx and soft palate, provides taste, monitors blood pressure and dissolved gas in the carotids; controls pharyngeal muscles involved in swallowing, the parotid salivary gland of the cheek

Question 10

X Vagus

Answer 10

Sensory and motor; provides visceral sensation, baroreceptors, chemoreceptors; controls swallowing and the digestive, respiratory, and cardiovascular systems

Question 11

XI The Accessory Nerves

Answer 11

Motor; voluntary swallowing, vocal cords, sternocleidomastoid and trapezius muscles

Question 12

XII The Hypoglossal Nerves

Answer 12

Motor; controls voluntary movements of the tongue