Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PNS > Exam 2: CN8 > Flashcards

Exam 2: CN8 Flashcards

1
Q

CN 8 purely

A

Sensory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

CN 8 composed of 2 Nerves:

A

Vestibular

Cochlear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Vestibular N terminates in

A

Vestibular nuclear complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Vestibular nuclear complex consists of 4 parts

A

Superior
Medial - most synapse
Lateral
Inferior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fibers carried in vestibular nerve arise from cell bodies located in

A

Vestibular ganglion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Vestibular ganglion located

A

Internal acoustic meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cochlear nerve termites in

A

2 cochlear nuclei: anterior and posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Cochlear nerve composed of axons from

A

Spiral ganglion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In cochlear nerve, peripheral processes extend from __ to ___

A

Spiral ganglion

Spiral organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

2 cochlear nuclei located in

A

Posterior, superior MO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

From cochlear nuclei, axons synapse in

A

Trapezoid nuclei

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Axons from trapezoid nuclei form

A

Lateral lemniscus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Peripheral processes from vestibular ganglion extend to 3 inner ear structures

A

Saccule
Utricle
Semicircular ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Vestibular nuclei located in

A

MO, floor of rhomboid fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Most vestibular nerve fibers terminate in

A

Medial vestibular nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Other vestibular nerve fibers travel to

A

Cerebellum via inferior cerebellar peduncle

17
Q

AO of CN8

A

Cerebellopontine angle

18
Q

CN8 travels in ____ to IAM

A

Posterior cranial fossa

19
Q

Cochlear N carries ___ fibers

A

30-40,000

20
Q

Vestibular nerve carries

A

20,000 fibers

21
Q

Inferior branch of vestibular nerve composed of

A

Saccular nerve

Posterior ampullary nerve

22
Q

Superior branch of vestibular nerve formed by

A

Lateral and anterior ampullary nerves

23
Q

Utricle supplied by

A

Branch from lateral ampullary nerve

Branch directly from superior branch

24
Q

Superior branch of vestibular nerve sends branch directly to saccule, called

A

Voit’s nerve

25
Q

Saccule and utricle supplied by ___

A

2 nerves

26
Q

__ can be first sign of Meniere’s disease

A

Tinnitus

27
Q

Acoustic neuroma aka

A

Vestibular schwannoma

PNS (24 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions