Cranial Nerves

Question 1

What is CN 1?

Answer 1

Olfactory

Question 2

What is CN 2?

Answer 2

Optic

Question 3

What is CN 3?

Answer 3

Occulomotor

Question 4

What is CN 4?

Answer 4

Trochlear

Question 5

What is CN 5?

Answer 5

Trigeminal

Question 6

What is CN 6?

Answer 6

Abducens

Question 7

What is CN 7?

Answer 7

Facial

Question 8

What is CN 8?

Answer 8

Vestibulocochlear

Question 9

What is CN 9?

Answer 9

Glossopharyngeal

Question 10

What is CN 10?

Answer 10

Vagus

Question 11

What is CN 11?

Answer 11

Spinal Accessory

Question 12

What is CN 12?

Answer 12

Hypoglossal

Question 13

What are the functions of CN 1?

Answer 13

-Sense of smell

Question 14

What are the functions of CN 2?

Answer 14

-Sense of vision

Question 15

What are the functions of CN3?

Answer 15

• Motor to eyeball
• Levator palpibre motor (eyelid)
• Parasympathetic Motor Control To Pupil

Question 16

What are the functions of CN 4?

Answer 16

-Motor to eyeball

Question 17

What are the functions of CN 5?

Answer 17

• Mastication motor
• Epicritic face and tongue sensation (2/3)
• Protopathic face and tongue sensation
• Unconscious proprioception and sensory for bite reflex

Question 18

What are the functions of CN 6?

Answer 18

-Eye movement

Question 19

What are the functions of CN 7?

Answer 19

• Motor facial expression
• Parasympathetic to all facial glands of head except for parotid and skin
• Sensory to external ear external tympanic membrane
• Taste sense to anterior 2/3 of tongue

Question 20

What are the functions of CN 8?

Answer 20

• Special sense for hearing

- Posture and equilibrium

Question 21

What are the functions of CN 9?

Answer 21

• Motor: gag and swallowing
• Parasympathetic motor to parotid gland
• Visceral sensory to carotid body
• Sensory to posterior tongue, pharynx, external ear, external tympanic membrane

Question 22

What are the functions of CN 10?

Answer 22

• Motor to pharynx larynx and vulva
• Parasympathetic motor to larynx, thoracic and abdominal organs
• Visceral sense to larynx, thoracic and abdominal organs
• Sensory to external ear and external tympanic membrane

Question 23

What are the functions of CN 11?

Answer 23

-Motor to Sternocleidomastoid and Trapezius

Question 24

What are the functions of CN 12?

Answer 24

-Motor to intrinsics and extrinsics of tongue (speech)

Question 25

What are the nuclei for CN 1

Answer 25

NONE

Question 26

What are the nuclei for CN 2

Answer 26

- Lateral Gen. | - Superior and inferior pre-tectal nucleus

Question 27

What are the nuclei for CN 3

Answer 27

- Nuc. of 3 | - Edinger-Westphal

Question 28

What are the nuclei for CN 4

Answer 28

-Nuc. of 4

Question 29

What are the nuclei for CN 5

Answer 29

- Motor Nuc of 5 - Chief sensory nucleus and rostral spinal nucleus of 5 - Caudal Spinal nucleus of 5 - Mesencephalic nucleus of 5

Question 30

What are the nuclei for CN 6

Answer 30

-Nucleus of 6

Question 31

What are the nuclei for CN 7

Answer 31

- Nucleus of 7 - Superior Salvatory nucleus and lacrimal nuclei - Rostral spinal nucleus of 5 (epicritic) - Caudal spinal nucleus of 5 (protopathic) - Solitary nucleus (rostral)

Question 32

What are the nuclei for CN 8

Answer 32

- Dorsal and ventral cochlear nuclei | - Medial, lateral, inferior and superior vestibular nuclei.

Question 33

What are the nuclei for CN 9

Answer 33

- Nucleus ambiguous - Inferior salvatore nucleus - Solitary nucleus - Rostral spinal nucleus of 5 (epicritic) - Caudal spinal nucleus of 5 (protopathic) - Solitary nucleus (rostral)

Question 34

What are the nuclei for CN 10

Answer 34

- Nucleus ambiguous - Dorsal motor nucleus of 10 - Solitary nucleus (caudal portion) - Rostral spinal nucleus (epicritic) - Caudal spinal nucleus (protopathic)

Question 35

What are the nuclei for CN 11

Answer 35

-Nucleus of 11

Question 36

What are the nuclei for CN 12

Answer 36

Nucleus of 12

Question 37

Where are the nuclei for CN 1

Answer 37

N/A

Question 38

Where are the nuclei for CN 2

Answer 38

Forebrain, midbrain

Question 39

Where are the nuclei for CN 3

Answer 39

Midbrain

Question 40

Where are the nuclei for CN 4

Answer 40

Midbrain

Question 41

Where are the nuclei for CN 5

Answer 41

Pons, medulla, and midbrain

Question 42

Where are the nuclei for CN 6

Answer 42

Pons

Question 43

Where are the nuclei for CN 7

Answer 43

Pons and medulla

Question 44

Where are the nuclei for CN 8

Answer 44

Pons and medulla

Question 45

Where are the nuclei for CN 9

Answer 45

Pons and medulla

Question 46

Where are the nuclei for CN 10

Answer 46

Medulla

Question 47

Where are the nuclei for CN 11

Answer 47

Medulla and cervical spinal cord

Question 48

Where are the nuclei for CN 12

Answer 48

Medulla