Cranial Nerves: A

Question 1

CN I=

Answer 1

Olfactory

Question 2

CN II=

Answer 2

Optic

Question 3

CN III =

Answer 3

Oculomotor

Question 4

CN IV=

Answer 4

Trochlear

Question 5

CN V=

Answer 5

Trigeminal

Question 6

CN VI=

Answer 6

Abducens

Question 7

CN VII=

Answer 7

Facial

Question 8

CN VIII

Answer 8

Vestibulocochlear

Question 9

CN IX

Answer 9

Glossopharyngeal

Question 10

CN X=

Answer 10

Vagus

Question 11

CN XI=

Answer 11

Spinal accessory

Question 12

CN XII=

Answer 12

Hypoglossal

Question 13

CN I terminates in the primary ___ cortex

Answer 13

Olfactory

Question 14

CN II converges through ___ chiasm, and continues to ___ where they synapse.

Answer 14

Optic

Thalamus

Question 15

From the thalamus, CN II optic __ fibers run to ___ cortex

Answer 15

Radiation

Visual

Question 16

CN III is a \_\_\_ motor nerve. 
Functions:
Raises \_\_\_
Directing the eye ball
Constricting \_\_\_
Controlling the \_\_\_ shape

Answer 16

Pure
Eyelid
Iris
Lens

Question 17

CN IV (IS/ IS NOT) a pure motor nerve?
Innervates the superior \_\_\_ muscle

Answer 17

IS

Superior oblique muscle

Question 18

Superior oblique muscle (CN IV trochlear N) passes through what tendon?

Answer 18

Trochlea

Question 19

CN V has 3 divisions
V1
V2
V3

Answer 19

Opthalmic
Maxillary
Mandibular

Question 20

Trigeminal is a ___ nerve

Answer 20

Mixed

Question 21

Abducens is a pure motor nerve that innervates the ___ rectus muscle.

Answer 21

Lateral

Question 22

CN VII has __ branches? Name them (hint: ten zebras bashed my car)

Answer 22

5
Temporal
Zygomatic
Buccal
Mandibular
Cervicle

Question 23

2 divisions of CN VIII and their function

Answer 23

Cochlear- hearing

Vestibular— balance

Question 24

CN IX is a mixed nerve:

Motor innervates:

Answer 24

Tongue
Pharynx
Motor fibers of parotid salivary gland

Question 25

CN IX is a mixed nerve: | Sensory fibers responsible for:

Answer 25

Taste, posterior 1/3 of tongue | Gag reflex from tongue/ pharynx

Question 26

CN X is a mixed nerve Motor nerves innervate the ___ fibers of the heart, lung, and visceral organs Sensory functions for ___

Answer 26

Parasympathetic | Taste

Question 27

CN IX is a motor never that innervates ___ and ___

Answer 27

Trapezius | Sternocleidomastoid

Question 28

Hypoglossal N (CN ___) innervates extrinsic muscles of ___ allowing __ and ___

Answer 28

Tongue Speech Swallowing

Question 29

3 classification of cranial nerves: General or ___ ___ or visceral afferent or ___

Answer 29

special Somatic Efferent

Question 30

3 classifications of cranial nerves ___ or special Somatic or ___ Afferent or ___

Answer 30

General Visceral Efferent

Question 31

Special cranial nerves are: | —-special senses

Answer 31

``` Smell Vision Hearing Taste Equilibrium ```

Question 32

Somatic nerves are associated with ___ structures

Answer 32

Parietal structure (body wall)

Question 33

Visceral nerves are associated with ___ structures

Answer 33

Splanchnic

Question 34

Splanchnic=

Answer 34

Internal organs

Question 35

Afferent =

Answer 35

Sensory affects

Question 36

Efferent =

Answer 36

Motor effects

Question 37

All motor neurons enter spinal nerve into the ___ horn

Answer 37

Ventral

Question 38

Sensory neurons enter through the ___ into the dorsal horn

Answer 38

Dorsal root ganglion