Cranial Nerves

Question 1

CN I

Answer 1

Olfactory (smell)

Question 2

CN II

Answer 2

Optic (Vision)

Question 3

CN III

Answer 3

Oculomotor (Elevates Eyelid; Motor-control of the eye)

Question 4

CN IV

Answer 4

Trochlear (Internal rotation; Motor-control of the eye)

Question 5

CN V

Answer 5

Trigeminal (MIXED)

1. General sensory on face: Touch, pain, pressure, hot, cold
2. Motor: To muscles used for chewing

Question 6

CN VI

Answer 6

Abducens (Eye Abduction; Motor function)

Question 7

CN VII

Answer 7

Facial (Mixed)

1. Tast from anterior 2/3 tongue (sweet/salty)
2. Motor muscles for facial expression, tear glands, and some salivary glands

Question 8

CN VIII

Answer 8

Vestibulocochlear or Acoustic (Ear)

1. Vestibular branch: Sensory for equilibrium
2. Cochlear branch: Sensory for hearing

Question 9

CN IX

Answer 9

Glossopharyngeal (Mixed)

1. Sensory for posterior 1/3 of tongue (sour/bitter), pharynx, & palate
2. Sensory for blood pressure: Located in the carotid bodies
3. Motor to pharyngeal muscles (swallowing), Salivary gland (parotid)

Question 10

CN X

Answer 10

Vagus (Mixed) - The major parasympathetic nerve

1. Sensory from pharynx, ear, diaphragm, visceral organs
2. Motor to palatal and pharyngeal muscles (swallowing and voice) and viscera

Question 11

CN XI

Answer 11

Accessory: Motor to voluntary muscles; lateral flexion and rotation of neck

Question 12

CN XII

Answer 12

Hypoglossal: Motor to tongue (swallowing and speech)

Question 13

Motor of tongue

Answer 13

CN XII: Hypoglossal

Question 14

Controls motor function for neck/head rotation

Answer 14

CN XI: Accessory

Question 15

Helps control viscera organs; also known as the major PNS nerve

Answer 15

CN X: Vagus

Question 16

Sensory for the posterior 1/3 of tongue and blood pressure

Motor for swallowing and salivary glands

Answer 16

CN IX: Glossopharyngeal

Question 17

Sensory for equilibrium and hearing

Answer 17

CN VIII: Vestibulocochlear (or Acoustic)

Question 18

Sensory for anterior 2/3 of tongue

Motor for facial expressions

Answer 18

CN VII: Facial

Question 19

Motor control of eye abduction

Answer 19

CN VI: Abducens

Question 20

Facial touch, pain, pressure, hot, cold

Motor for muscles involved in chewing

Answer 20

CN V: Trigeminal

Question 21

Motor control of eye internal rotation

Answer 21

CN IV: Trochlear

Question 22

Motor control of eyelid movement

Answer 22

CN III: Oculomotor

Question 23

Vision

Answer 23

CN II: Optic

Question 24

Smell

Answer 24

CN I: Olfactory

Question 25

Name all the sensory Cranial Nerves

Answer 25

1 - Olfactory
2 - Optic
5 - Trigeminal
7 - Facial
8 - Acoustic
9 - Glossopharyngeal 
10 - Vagus

Question 26

Name all the cranial nerves with parasympathetic function

Answer 26

3 - Oculomotor
7 - Facial
9 - Glossopharyngeal
10 - Vagus

Question 27

Name all the cranial nerves with motor function

Answer 27

3 - Oculomotor
4 - Trochlear 
5 - Trigeminal 
6 - Abducens
7 - Facial 
9 - Glossopharyngeal
11 - Spinal Accessory
12 - Hypoglossal