Unit 1 - Cranial Nerve Overview

Question 1

Olfactory - type?

Answer 1

Special sensory

Question 2

Olfactory - fibers in the olfactory mucosa traverse the ________ and synapse on the ______.

Answer 2

cribriform plate, olfactory bulb

Question 3

Optic - type?

Answer 3

Special sensory

Question 4

Optic - fibers from the ______ converge on the _______ and are carried in the ________, ____, and tract to the __________?

Answer 4

retina, optic disc, optic nerve, chasm,

lateral geniculate body

Question 5

Do all nerves cross over in the optic chiasma?

Answer 5

no

Question 6

Oculomotor - type?

Answer 6

Motor; somatic and parasympathetic

Question 7

Oculomotor supplies?

Answer 7

5 somatic muscles and

2 visceral muscles

Question 8

Trochlear - type?

Answer 8

Somatic motor

Question 9

Which is the smallest cranial nerve?

Answer 9

trochlear- CN IV

Question 10

Trochlear (CN-IV) supplies which muscle?

Answer 10

Superior oblique

Question 11

Which cranial nerve is on posterior side of brain stem and fibers cross over?

Answer 11

Trochlear

Question 12

What is the function of the superior oblique muscle?

Answer 12

Turns eyes down and out

Question 13

Trigeminal - type?

Answer 13

Mixed; somatic motor and sensory

Question 14

Which is the “Great Sensory Nerve of the Face”?

Answer 14

Trigeminal

Question 15

Trigeminal sensory areas include?

Answer 15

orbit, nasal cavity and paranasal sinuses, oral cavity, ear, internal skull

Question 16

Which is the largest cranial nerve?

Answer 16

trigeminal

Question 17

Which cranial nerves is supply to the muscles of mastication?

Answer 17

Trigeminal

Question 18

Abducens - type?

Answer 18

Somatic motor

Question 19

The abducens cranial nerve supplies which muscle?

Answer 19

Lateral rectus

Question 20

Facial nerve - type?

Answer 20

Mixed:
Motor - somatic and parasympathetic
Sensory - somatic and special

Question 21

What is the “Nerve of Facial Expression”?

Answer 21

Facial Nerve

Question 22

Which cranial nerve carries taste information from the anterior 2/3 of the tongue?

Answer 22

Facial nerve

Question 23

The facial nerve supplies which muscles?

Answer 23

Muscles of facial expression including

stylohyoid and stapedius

Question 24

The facial nerve supplies which glands?

Answer 24

lacrimal and salivary

Question 25

Vestibularcoclear - type?

Answer 25

Special sensory

Question 26

Vestibularcochlear gets sensory information from where?

Answer 26

Cochlear and vestibule

Question 27

Glossopharyngeal - type?

Answer 27

Mixed: Motor: brachiomotor and parasympathetic Sensory: somatic, special, and visceral

Question 28

Glossopharyngeal carries taste information from where?

Answer 28

Posterior 1/3 of the tongue

Question 29

Glossopharyngeal is motor supply to what?

Answer 29

stylopharyngeus

Question 30

Glossopharyngeal has parasympathetic supply to what?

Answer 30

the parotid gland

Question 31

What is the longest of cranial nerves?

Answer 31

vagus

Question 32

Vague has motor supply to which particular muscles?

Answer 32

pharyngeal constrictors

Question 33

Vagus - type?

Answer 33

Mixed Motor: brachiomotor and parasympathetic Sensory: somatic, special, and visceral

Question 34

Vagus has parasympathetic supply to where?

Answer 34

Bronchi, heart, GI tract from esophagus to distal 1/3 of the transverse colon.

Question 35

The accessory nerve contains 2 parts. What are they?

Answer 35

Cranial and spinal parts

Question 36

Accessory nerve - type?

Answer 36

motor

Question 37

What does the accessory nerve supply?

Answer 37

Muscles of the pharynx, larynx, and palate (cranial part) and the trapezius and SCM (spinal part)

Question 38

Hypoglossal - type?

Answer 38

Motor

Question 39

What does the hypoglossal nerve supply?

Answer 39

Supplies intrinsic and extrinsic muscles of the tongue

Question 40

Which cranial nerves are special sensory only?

Answer 40

Olfactory, optic, and vestibular cochlear

Question 41

Which cranial nerves are motor only?

Answer 41

Trochlear, Oculomotor, Abducens, Accessory, and Hypoglossal

Question 42

Which cranial nerves are mixed?

Answer 42

Trigeminal, facial, Glossopharyngeal, vagus

Question 43

Which cranial nerves have parasympathetic motor?

Answer 43

oculomotor, facial, Glossopharyngeal, vagus