spinal cord and spinal nerves Flashcards

1
Q

the osinal cords extends from the

A

formaen magnum till l2

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

how amny spinal nerves do we have

A

31

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

the spinal nerves are motor or snesory

A

mixed

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

the two enlargements of teh psinal cord

A

cervical adn lumbar enlargement

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

the divisons of teh spinal nerve s

A

8 cervicak
12 thoracic
5 lumbar and scarel
1 coccyheal

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

the spinal cord terminates as

A

conus medullaris

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

nerves taht extend inferiorly from the conus medullaris are called

A

cauda equina

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

the meninges of teh spinal cord

A

dura pia and arachmnoid

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

the dura matetr of te spinal cord extends from the

A

level of the foramen magnum tikll S2

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

epidural space location

A

between the dura matter and the wall of teh vertebral canal ( fat fill)

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

epidural purposes

A

aenesthetics injecton

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

epidural is given at teh

A

l3 l4 verebtebra

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

the subdural spce contains

A

serous fluid

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

subarachnoid space is between the

A

pia and arachnoid matter

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

the subarachnoid space s filled wity

A

csf

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

the lumbar puncture is given

A

above the spinous process of l4

17
Q

the gray matter is divded ibnto three horns

A

anterior lateral posterior

18
Q

the lateral grey horn is only seen from

A

T1 -L2

19
Q

whote matter is divided into three columns

A

abnterior posterior lateral
contains sensory and motor tracts

20
Q

the central canal extends through

A

the entire spinal cord

21
Q

what fluid is present n the central canal

A

csf

22
Q

the central canal is continuos with the

A

fourth ventricle

23
Q

the descending tracts carry info

A

from the brain to the periphery

24
Q

the descending tracts are divided into

A

direct (pyramidal) indirect ( extrapyrimadal)

25
Q

direct descednig tract has to dow with the

A

responsible of voluntary movement

26
Q

indirect descending tract has t o do with

A

involuntary control and autonomic control ( balance , posture , muscle tone ) body movement coordination

27
Q

the ascending sensory tract relays info from to

A

froom teh periphery to the brain

28
Q

the ascendong tract is divded into

A

exteroceptive and propioceptive

29
Q

exteroceptive has to do with

A

sensation outside the body
temp , touch, pain

30
Q

propioceptive has t o dow with

A

inside the bofy , muscles, joint , organs

31
Q

each sinal nerve is formed from

A

2 roots

32
Q

the two roots of each spinal nerve

A

dorsal and ventral

33
Q

dorsal root is

A

sensory root and ganglia

34
Q

ventral root is

A

motor root

35
Q

each root is formed from a set of

A

rootlets atatched to teh spinal cord

36
Q

dermatomes

A

an area of the skin that provides teh cns with sensory info via one pair of spinal nerves
overlap