The Cranial Nerves

Question 1

How many cranial nerves are there, and what are they for?

Answer 1

12 pairs

they are associated with sensory, motor, or both.

Question 2

1st nerve

Answer 2

Olfactory

Question 3

2nd nerve

Answer 3

Optic

Question 4

3rd nerve

Answer 4

Oculomotor

Question 5

4th nerve

Answer 5

Trochlear

Question 6

5th nerve

Answer 6

Trigeminal

Question 7

6th nerve

Answer 7

Abducens

Question 8

7th nerve

Answer 8

Facial

Question 9

8th nerve

Answer 9

Vestibulocochlear

Question 10

9th nerve

Answer 10

Glossopharyngeal

Question 11

10th nerve

Answer 11

Vagus

Question 12

11th nerve

Answer 12

Accessory

Question 13

12th nerve

Answer 13

Hypoglossal

Question 14

What is the function of the OLFACTORY nerve?

Answer 14

carries Sensory information for smell.

Question 15

What is the function of the OPTIC nerve?

Answer 15

Sensory

carries visual info from the eyes

Question 16

What is the function of the OCULOMOTOR nerve?

Answer 16

Motor

moves the eyeball

Question 17

What is the function of the TROCHLEAR nerve?

Answer 17

Motor nerve responsible for movement of the superior oblique eye muscle

Question 18

What is the function of the TRIGEMINAL nerve?

Answer 18

Both

• Sensory on the mid-face, upper jaw, and upper teeth
• Motor movement of the mandible, chewing muscles

Question 19

What is the function of the ABDUCENS nerve?

Answer 19

Motor nerve responsible for one of the 6 eye muscles. It Abducts the eye.

Question 20

What is the function of the FACIAL nerve?

Answer 20

Both
It’s a mixed nerve that carries out motor commands for the muscles of the face and 2 of 3 salivary glands.
Sensory for the front 2/3 of tongue

Question 21

What is the function of the VESTIBULOCOCHLEAR nerve?

Answer 21

Sensory nerve in the inner ear that carries out hearing and sense of balance.

• Cochlear branch- for hearing
• Vestibular branch- for sense of balance

Question 22

What is the function of the GLOSSOPHARYNGEAL nerve?

Answer 22

Both

• Sensory for back 2/3 of the tongue and pharynx
• motor control of swallowing

Question 23

What is the function of the VAGUS nerve?

Answer 23

Both

Mixed nerve that is vital to the autonomic control of visceral function and has a variety of motor components.

Question 24

What is the function of the ACCESSORY nerve?

Answer 24

Motor nerve that controls voluntary swallowing muscles

Question 25

What is the function of the HYPOGLOSSAL nerve?

Answer 25

Motor control for the movement of the tongue.

Question 26

Mnemonic for the nerves... Harry Potter.

Answer 26

On, On, On, They Traveled And Found Voldermort Guarding Very Ancient Horcruxes

Question 27

Mnemonic for the functions of nerves...

Answer 27

Some Say Marry Money But My Brother Says Big Brains Matter More