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Mod 4 > Intro SCI > Flashcards

Intro SCI Flashcards

1
Q

Classification for Tetraplegia
Classification for Paraplegia

A

T1 and above
T2 and below

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2
Q

What are the 2 most common MOI for SCI?

A

car accidents and falls

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3
Q

How many spinal nerves are in each section of the SC?

A

8 cervical
12 thoracic
5 sacral
1 coccygeal

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4
Q

At what level does the SC end?

A

L1-L2

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5
Q

What landmarks line up with T4, T6, and T10

A

T4 - nipple line
T6 - bottom of the sternum
T10 - umbilicus

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6
Q

What motion does the anterior longitudinal ligament limit?
Posterior longitudinal ligament?

A

anterior - extension
posterior - flexion

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7
Q

What is is the gray matter?
What is in the white matter?

A

grey - anterior/post horn, cell bodies, SNS, PNS (LMN)
white - axons (UMN)

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8
Q

If you have a lesion on the L side, what is the loss of corticospinal

A

L side damage (ipsilateral)

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9
Q

What is in the spinothalamic tract

A

pain
temp
non-discriminating touch (crude)

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10
Q

If you have a L side lesion, what is the ALS loss

A

R side loss (contralateral)

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11
Q

What sensory is in the DCML tract?

A

proprioception, kinesthesia, discriminating (light) touch

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12
Q

If you have R side damage what dorsal column loss are you going to have?

A

R side loss (ipsilateral)

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13
Q

What supplies the anterior 3/4 of the SC? Where does it come off from?

A

anterior spinal artery
aorta

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14
Q

What arteries make up the centrifugal system and what is it supplying?

A

Sulcal arteries
most of grey matter (cell bodies) , inner half of posterior, lateral and anterior white matter (center)

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15
Q

What arteries are centripetal system and what are they supplying?

A

Pial arteries
dorsal horns, posterior columns (outer cord)

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16
Q

what arteries could be damaged in hyperextension injury>

A

sulcal arteries

17
Q

How many anteior and posterior arteries are there?

A

1 ant
2 post

18
Q

What supplied DCML

A

posteior artery

19
Q

What level is UMN injury vs LMN injury?

A

L1/L2 above –> UMN, below –> LMN

20
Q

(UMN or LMN) above the level of the ant horn cells

A

UMN

21
Q

(UMN or LMN) alpha still intact below the injury

A

UMN

22
Q

(UMN or LMN) Effects PNS

A

LMN

23
Q

(UMN or LMN) effects anterior horn cell

A

LMN

24
Q

(UMN or LMN) effects nerve root

A

LMN

25
Q

If you have an injury at C5 and the alpha motor neuron is affected, what levels are LMN and UMN

A

LMN at C5
UMN at C6,7,8 etc

26
Q

When you have a SCI it affects __ area first and moves __

A

grey first and move out and up and effects white (axons) last

27
Q

Spinal shock:
__ first the goes to __

A

flaccid, areflexive –> spacticity, hyper-reflexive

28
Q

What is the most common MOI?
What kind of fracture?
may result in __ syndrom

A

extreme flexion force (head on collision or blow to back of head)
wedge fracture
anterior cord syndrome

29
Q

unilateral facet dislocation may result from __ MOI?

A

combined flexion and rotation

30
Q

axial loading may result in what kind of fracture

A

burst fracture

31
Q

excessive extension force may result in what kind of fracture? what ligament rupture? what artery is sheared? and __ syndrome?

A

ant body fracture
rupture of ALL
shear sucal artery
central cord syndrome

32
Q

would you have greater strength in legs or arms with central cord injurt?

A

legs

33
Q

what is lost with anterior cord syndrome?

A

pain, temp, motor

34
Q

Brown Sequard:
ipsilateral damage __
contralateral damage__

A

same side: motor, proprioception, vibration, deep touch (DCML)
opposite side: pain, temp, crude touch

35
Q

Conus medullaris:
damage to __
how will LE and B&B present?
(UMN or LMN)

A

sacral cord and lumbar nerve roots
flaccid paralysis of LE and areflexive B&B
mixed UMN and LMN

36
Q

cauda equina:
damage to __
how will LE and B&B present?
(UMN or LMN)

A

lumbar and sacral nerve roots
flaccid paralysis of LE and areflexive B&B
LMN

Mod 4 (5 decks)

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