12 cranial nerves

Question 1

What is cranial nerve ( CN I )?

Answer 1

Olfactory - smell
Sensory only

Question 2

What is cranial nerve ( CN II )?

Answer 2

Optic - sight or vision
Sensory only

Question 3

What is cranial nerve ( CN III )?

Answer 3

Oculomotor - innovates superior rectus, medial rectus, inferior rectus, & inferior oblique

motor only

Question 4

What is cranial nerve ( CN IV )?

Answer 4

Trochlear - Innovates superior oblique
(SO4)

motor only

Question 5

What is cranial nerve ( CN V )?

Answer 5

Trigeminal - mastication (chewing)
- responsible for the feeling of general sensory

mixed

Question 6

What is cranial nerve ( CN VI )?

Answer 6

Abducens - Innovates lateral rectus
LR6

motor only

Question 7

What is cranial nerve ( CN VII )?

Answer 7

Facial - motor to the muscles of facial expression
- taste to the anterior 2/3 of tongue

mixed

Question 8

What is cranial nerve ( CN VIII )?

Answer 8

Vestibulochlear - hearing and equilibrium

sensory only

Question 9

What is cranial nerve ( CN IX )?

Answer 9

glossopharyngeal - taste to posterior 1/3 of the tongue
- motor to muscles that swallow (skeletal)
- general sensory info from the throat

mixed

Question 10

What is cranial nerve ( CN X )?

Answer 10

Vagus - motor to muscles that swallow
- general sensory info from the stomach

mixed

Question 11

What is cranial nerve ( CN XI )?

Answer 11

Accessory - moves head/neck
motor only

Question 12

What is cranial nerve ( CN XII )?

Answer 12

Hypoglossal - moves tongue
motor only

Question 13

How many
sensory only
motor only
mixed ?

Answer 13

sensory only (3)
motor only ( 5)
Mixed (4)

Question 14

what are the 6 general senses

Answer 14

touch
pain
pressure
proprioception
vibration
temperature

Question 15

what are the special senses?

Answer 15

Sight ( CN II)
Smell ( CN I )
Taste ( CN VII & IX )
Equilibrium ( CN VIII )
Hearing ( CN VIII )