Cranial Nerves: Sensory

Question 1

What are the Special Sensory Cranial Nerves

Answer 1

Smell (I)
Vision (II)
Taste (VII, IX, X)
Balance/Hearing (VIII)

Question 2

What are the Visceral Sensory CN?

Answer 2

sensory info except pain via IX and X

Question 3

Olfactory Nerve

Answer 3

CN I

Question 4

CN I function

Answer 4

special sensory: smell

Question 5

Location of NCB of CN I

Answer 5

Olfactory Epi

Question 6

Passage through skull of CN I

Answer 6

Ethmoid bone at cribiform plate

Question 7

Anosomnia at _________ due to what?

Answer 7

CN I due to frx of cribiform plate

Question 8

CN II

Answer 8

Optic nerve

Question 9

Function is Special Sensory: vision

Answer 9

CN II

Question 10

Location of neuron cell body of CN II

Answer 10

Retina

Question 11

Passage through skull of CN II

Answer 11

sphenoid bone at OPTIC CANAL

Question 12

Anopsias is what

Answer 12

visual field defect

Question 13

What would injury to CN II cause?

Answer 13

anopsias

Question 14

Injury at eyeball would damage what cranial nerve?

Answer 14

CN II

Question 15

CN VIII

Answer 15

Vestibulocochlear

Question 16

Function of CN VIII

Answer 16

Special sensory: hearing and balance

Question 17

Location of NCB of Vestibulocochlear

Answer 17

Sprial Ganglion (cochlea) and vestibular ganglion

Question 18

Hearing impairment or loss as well as vertigo caused by damage to what CN?

Answer 18

Vestibulocochlear

Question 19

What type of injury would cause damage to CN VIII?

Answer 19

tumor

Question 20

Purely Sensory Nerves:

Answer 20

I, II, VIII

1, 2, 8

Question 21

Purely Motor Nerves:

Answer 21

III, IV, VI, XI, XII

3, 4, 6, 11, 12

Question 22

Mixed = sensory and motor

Answer 22

V, VII, IX, X

Question 23

GVE

Answer 23

III, V, VII, IX

Question 24

what are collections of neuron cell bodies outside of CNS?

Answer 24

Ganglion

Question 25

Where does spinal cord have the gray matter?

Answer 25

in the middle

Question 26

Gray matter equals what?

Answer 26

neuronal cell bodies

Question 27

White matter is what?

Answer 27

tracts; axons and dendrites

Question 28

Where is the Olfactory Nerve located?

Answer 28

Right behind the nasal bone: microscopic structure send nerves through cribiform plate, NOT really the OLFACTOrY bulb

Question 29

Olfactory Neurons are uni/bi/multipolar

Answer 29

Bipolar

Question 30

What is special about the neurons in the olfactory nerve?

Answer 30

they can regenerate

Question 31

Where do olfactory nerves synapse?

Answer 31

olfactory bulb

Question 32

Where do the tracts of the optic nerve end?

Answer 32

Thalamus; contains the collection of neuron cell bodies

Question 33

Where do the nerves of the optic nerve end?

Answer 33

primary occipital cortex

Question 34

Where do visual field defects occur?

Answer 34

Primary occipital cortex

Question 35

What nerves are affected by pituitary tumors?

Answer 35

Optic II and Olfactory I

Question 36

Where does the vestibulocochlear nerve emerge from?

Answer 36

From the base of brain at junction of pons and medulla = pontomedullary jnx

Question 37

Where are the vestibulocochlear organs located?

Answer 37

petrous part of the temporal bone

Question 38

Where is the CN VIII sent through?

Answer 38

Interal acoustic meatus then into brain stem and enter the brain stem and terminate on nuclei in the deep white matter of brain stem

Question 39

Vestibular portion of CN VIII innervates

Answer 39

vestibular apparature for balance and equilibrium

Question 40

Cochlear portion of CN VIII innervates

Answer 40

cochlear apperature and for sense of hearing