Head and vertebrea

Question 1

Where is the most common site for vertebral trauma

Answer 1

C spine (55%)

Question 2

When you find a c spine # what should you be mindful of that may have happened concomittantly

Answer 2

other vertebral #

Question 3

What happens in neurogenic shock

Answer 3

the descending sympathetic fibres do not allow for a response meaning BP and HR will drop

Question 4

What is the most common cause of death from injuries of C3 of above

Answer 4

apnea from lossof phrenic nerve innervation

Question 5

What sort of # is commonly associated with T Spine

Answer 5

compression wedge

Question 6

Why are T spine dislocations so severe

Answer 6

are almost always complete spinal cord injury

Question 7

what is the difference in Px with complete and incomplete spinal cord injur

Answer 7

complete has NO movement or sensation
incomplete has some

Question 8

What spinal tract deals with fine touch and proprioception

Answer 8

DCML

Question 9

What level does the DCML innervate upper limbs

Answer 9

T6 and above

Question 10

What level does the DCML innervate lower limbs

Answer 10

T7 and below

Question 11

Where does the DCML dessucate what does this mean clinically

Answer 11

in the brainstem

means injury of spinal cord will cause IPSILATERAL symptoms

Question 12

What spinal tract deals with pain and heat

Answer 12

spinothalamic

Question 13

Where does the spinothalamic tract dessucate what does this mean clinically

Answer 13

ascending tract enters spinal cord

ascends two levels

dessicates inside vertebra

means injury is usually CONTRALATERAL

Question 14

What does the corticospinal tract innervate

Answer 14

Motor / power

Question 15

There are 2 parts to the corticospinal tract the lateral and the medial aspect

where does the lateral level dessicate what does this mea clinically

Answer 15

in brainstem

injury = ipsilateral sx (of lower body)

Question 16

There are 2 parts to the corticospinal tract the lateral and the medial aspect

where does the medial level dessicate what does this mean clinically

Answer 16

dessicuated at C/T level

unlless very high up injury of spinal tract

ipsilateral sx (of upper body)

Question 17

What is spinal shock

Answer 17

loss of muscle tone and reflexes that changes to spacticity over time

Question 18

What might inconsistent/assymetrical or strange distribution of symptoms mean in spinal cord injry

Answer 18

incomplete spinal cord injry or developems of oedema causing sx

Question 19

what is a chance fracture

Answer 19

unstable flexion distension injury usually high impact like rtc is common with visceral injury

Question 20

pt has penetrating would to back:

motor loss ipsilaterally fine
touch loss ipsitalerally
contralaterall pain and gross touch loss

what is this called

Answer 20

brown sequard

Question 21

pt has loss of motor strength more in upper than lower body with varying degrees of sensory loss

what is this injury called

Answer 21

central cord syndrome

Question 22

pt has motor and sensory paraplegia and loss of pain and temp what is this called

Answer 22

anterior cord dyndrome

Question 23

how do you determine spinal level

Answer 23

caudally the spinal level with M power of 3

Question 24

how do you determine neurological level

Answer 24

the spinal level with has normal M+S function

Question 25

what vertebra is usually most unstable if injured

Answer 25

c1 atlas

Question 26

what c spine injury is most common

Answer 26

c5

Question 27

what mechanism usually causes anterior wedge fractures in T spine

Answer 27

axial compression

Question 28

what mechanism usually causes burst # fractures in T spine

Answer 28

vertical axial

Question 29

what mechanism usually causes chance fractures in T spine

Answer 29

improperly laced lap belts