Cranial Nerves

Question 1

Olfactory Nerve

Answer 1

CN1, carries information for smell. Does not go through the thalamus. Information is carried from the pyriform cortex to the olfactory bulb via the olfactory tract.

Question 2

Optic Nerve

Answer 2

CN2, carries information for sight. Goes through the thalamus.

Question 3

Oculomotor Nerve

Answer 3

CN3, every other movement apart from superior oblique and lateral rectus.

Question 4

Trochlear Nerve

Answer 4

CN4, superior oblique muscle, carries information from when the eye looks laterally down.

Question 5

Abducens Nerve

Answer 5

CN6, lateral rectus- takes in information from when the eye moves laterally.

Question 6

Trigeminal Nerve

Answer 6

CN5, Sensory information from the face. Motor is chewing.

Question 7

Facial Nerve

Answer 7

CN7, Sends motor signals to all the muscles in the face; allows for facial expressions.

Question 8

Vestibulocochlear Nerve

Answer 8

CN8, Combo of vestibular (balance) and cochlear nerve.

Question 9

Glossopharyngeal Nerve

Answer 9

CN 9, Mixed- there is sensory (detecting things in the pharynx) and motor (swallowing in the pharynx)

Question 10

Vagus Nerve

Answer 10

CN10, sends info to visceral organs. Mixed sensory and motor- messages go all the way down to the abdomen.

Question 11

Accessory Nerve

Answer 11

CN11, move head and neck muscles.

Question 12

Hypoglossal Nerve

Answer 12

CN12, motor only to the tongue.

Question 13

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