Unit 4: 12 Cranial Nerves

Question 1

1st nerve

Answer 1

olfactory (relays smell); sensory nerve

Question 2

2nd nerve

Answer 2

optic (transmits visual information from retina); sensory nerve

Question 3

3rd nerve

Answer 3

oculomotor (external muscles of the eye); motor nerve which controls pupil dilation, and pupillary constriction.

Question 4

4th nerve

Answer 4

trochlear (also supplies muscles of the eye; motor nerve

Question 5

5th nerve

Answer 5

trigeminal (chewing and sensation in the face); motor and sensory nerve; relays info from head, sinuses, neck and face

Question 6

6th nerve

Answer 6

abducent (controls lateral eye movement); motor nerve

Question 7

7th nerve

Answer 7

facial (muscles of facial expression, taste buds, sensation in fingers and toes, blinking);sensory and motor nerve

Question 8

8th nerve

Answer 8

auditory (hearing and balance); sensory nerve

Question 9

9th nerve

Answer 9

glossopharyngeal (sensation, taste, and swallowing); sensory and motor

Question 10

10th nerve

Answer 10

vagus (organs in the chest and abdomen); sensory and motor nerve

Question 11

11th nerve

Answer 11

accessory (supplies two neck muscles, the sternomastoid and trapezius); motor nerve

Question 12

12th nerve

Answer 12

hypoglossal (muscles of the tongue and neck); motor nerve