Cranial Nerves (Summary)

Question 1

What is the attachment of CN 1?

Answer 1

Cerebral hemisphere

Question 2

What is the attachment of CN 2?

Answer 2

Cerebral hemisphere

Question 3

What is the attachment of CN 3?

Answer 3

Midbrain

Question 4

What is the attachment of CN 4?

Answer 4

Midbrain

Question 5

What is the attachment of CN 5?

Answer 5

Pons

Question 6

What is the attachment of CN 6?

Answer 6

Emerges between pons and medulla oblongata

Question 7

What is the attachment of CN 7?

Answer 7

Emerges between pons and medulla oblongata

Question 8

What is the attachment of CN 8?

Answer 8

Emerges between pons and medulla oblongata

Question 9

What is the attachment of CN 9?

Answer 9

Medulla oblongata

Question 10

What is the attachment of CN 10?

Answer 10

Medulla oblongata

Question 11

What is the attachment of CN 11?

Answer 11

Medulla oblongata

Question 12

What is the attachment of CN 12?

Answer 12

Medulla oblongata

Question 13

What type of nerve is the olfactory and state its primary function

Answer 13

Special sensory for smell

Question 14

What type of nerve is the optic and state its primary function

Answer 14

Special sensory for vision

Question 15

What type of nerve is the oculomotor and state its primary function

Answer 15

Motor for all muscles of the eye except superior oblique

and lateral rectus muscles

Question 16

What type of nerve is the trochlear and state its primary function

Answer 16

Motor for superior oblique muscle of the eye

Question 17

What type of nerve is the trigeminal and state its primary functions

Answer 17

Mixed for face and scalp (sensory) and muscles of mastication (motor)

Question 18

What type of nerve is the abducent and state its primary function

Answer 18

Motor for lateral rectus muscle of the eye

Question 19

What type of nerve is the facial and state its primary functions

Answer 19

Mixed for taste from anterior 2/3 of tongue (sensory) and muscles of facial expression (motor)

Question 20

What type of nerve is the vestibulocochlear and state its primary function

Answer 20

Special sensory for hearing and balance

Question 21

What type of nerve is the glossopharyngeal and state its primary functions

Answer 21

Mixed for general sensation and taste from posterior 1/3 of the tongue (sensory) and pharyngeal muscles (motor)

Question 22

What type of nerve is the vagus and state its primary functions

Answer 22

Mixed for pharynx, diaphragm, visceral organs in thoracic and abdominopelvic cavities (sensory) and palatal and pharyngeal muscles and visceral organs in thoracic and abdominopelvic cavities (motor)

Question 23

What type of nerve is the accessory and state its primary function

Answer 23

Motor for trapezius and sternocleidomastoid

Question 24

What type of nerve is the hypoglossal and state its primary function

Answer 24

Motor for muscles of the tongue

Question 25

What cranial nerve numbers are exclusively motor?

Answer 25

CN III, CN IV, CN VI, CN XI, CN XII

Question 26

What cranial nerve numbers are exclusively sensory?

Answer 26

Cn I, CN II, CN VIII

Question 27

What cranial nerve numbers are mixed?

Answer 27

CN V, CN VII, CN IX, CN X

Question 28

What cranial nerve numbers are parasympathetic?

Answer 28

CN III, CN VII, CN IX, CN X