Cranial Nerves

Question 1

Function of Olfactory Nerve (CN I)

Answer 1

Smell

Question 2

Function of Optic Nerve (CN II)

Answer 2

impulses for vision

Question 3

Function of Oculomotor Nerve (CN III)

Answer 3

Moves eye

Question 4

Function of Trochlear Nerve (CN IV)

Answer 4

Directs the eyeball

Question 5

Function of Trigeminal Nerve (CN V)

Answer 5

Facial sensation

Mastication (Chewing)

Question 6

Function of Abducens Nerve (CN VI)

Answer 6

Moves eye

Question 7

Function of Facial Nerve (CN VII)

Answer 7

Facial Expression

Taste on front 2/3 of tongue

Question 8

Function of Auditory (Vestibulocochlear) Nerve (CN VIII)

Answer 8

Equilibrium and Hearing

Question 9

Function of Glossopharyngeal Nerve (CN IX)

Answer 9

Swallowing

Taste on back 1/3 of tongue

Question 10

Function of Vagus Nerve (CN X)

Answer 10

Gagging

Taste

Question 11

Function of Accessory Nerve (CN XI)

Answer 11

Elevates shoulders

Turns head

Question 12

Function of Hypoglossal Nerve (CN XII)

Answer 12

Speech

Tongue rolling

Question 13

How many Cervical nerves are there

Answer 13

8

Question 14

How many Thoracic nerves are there

Answer 14

12

Question 15

How many Lumbar nerves are there

Answer 15

5

Question 16

How many Sacral nerves are there

Answer 16

5

Question 17

How many Coccygeal nerves are there

Answer 17

1