Study Questions (Part Nine- Cranial Nerves)

Question 1

Cranial Nerve I

Name:

Answer 1

Olfactory (Sensory)

Question 2

Cranial Nerve II

Name:

Answer 2

Optic (Sensory)

Question 3

Cranial Nerve III

Name:

Answer 3

Oculomotor (Motor)

Question 4

Cranial Nerve IV

Name:

Answer 4

Trochlear (Motor)

Question 5

Cranial Nerve V

Name:

Answer 5

Trigeminal (Motor/Sensory)

Question 6

Cranial Nerve VI

Name:

Answer 6

Abducens (Motor)

Question 7

Cranial Nerve VII

Name:

Answer 7

Facial (Motor/Sensory)

Question 8

Cranial Nerve VIII

Name:

Answer 8

Vestibulocochlear (Sensory)

Question 9

Cranial Nerve IX

Name:

Answer 9

Glossopharyngeal (Motor/Sensory)

Question 10

Cranial Nerve X

Name:

Answer 10

Vagus (Motor/Sensory)

Question 11

Cranial Nerve XI

Name:

Answer 11

Accessory (Motor)

Question 12

Cranial Nerve XII

Name:

Answer 12

Hypoglossal (Motor)

Question 13

Cranial Nerve I

Function:

Answer 13

Olfactory (Sensory)

Olfacation (smell). Only cranial nerve that does NOT go through the thalamus.

Question 14

Cranial Nerve II

Function:

Answer 14

Optic (Sensory)

Vision and pupillary reaction.

Question 15

Cranial Nerve III

Function:

Answer 15

Oculomotor (Motor)

Innervates muscles that move the eyeball, also pupillary reaction. Controls most of the eye muscles.

Question 16

Cranial Nerve IV

Function:

Answer 16

Trochlear (Motor)

Lateral and downward motion of the eye.

Question 17

Cranial Nerve V

Function:

Answer 17

Trigeminal (Motor/Sensory)

Main sensory nerve of the face and mouth.

Motor function controls muscles of the jaw for chewing.

Question 18

Cranial Nerve VI

Function:

Answer 18

Abducens (Motor)

Lateral movement of the eye.

Question 19

Cranial Nerve VII

Function:

Answer 19

Facial (Motor/Sensory)

Sensory: Anterior 2/3 of the tongue’s taste receptors (sweet, salty, sour).

Motor: muscles of facial expression.

Question 20

Cranial Nerve VIII

Function:

Answer 20

Vestibulocochlear (Sensory)

Hearing and Equilibrium. Damage causes balance disorders.

Question 21

Cranial Nerve IX

Function:

Answer 21

Glossopharyngeal (Motor/Sensory)

Sensory: posterior 1/3 of the tongue’s taste receptors (bitter).

Motor: stylopharyngeus muscle and parotid gland (salivary gland).

Question 22

Cranial Nerve X

Function:

Answer 22

Vagus (Motor/Sensory)

Innervation of the pharynx, larynx, visceral organs and abdomen. Most of the parasympathetic system.

Question 23

Cranial Nerve XI

Function:

Answer 23

Accessory (Motor)

Innervates the larynx, pharynx, trapezius, and sternocleidomastoid. Controls ability to maintain posture of head and neck.

Question 24

Cranial Nerve XII

Function:

Answer 24

Hypoglossal (Motor)

Innervates tongue muscles.