Injuries Study Guide Test.
in the US almost 80% of SCI occur in men between the ages of 15 and 38 years. Annually, 20 times more
people are hospitalized for TBI than SCI. - CORRECT ANSWER
the most common direction of force application to the spinal structure is... - CORRECT ANSWER
hyperflexion
patients can sustain a devastating spinal separation known as internal decapitation - CORRECT ANSWER
how many cervical, thoracic, lumbar, and sacral vertebrae? - CORRECT ANSWER cervical- 7
thoracic- 12
lumbar- 5
sacral- 5
where do the majority of cord injuries occur? - CORRECT ANSWER cervical spine
stable vs unstable spinal fractures - CORRECT ANSWER stable- not a threat to the cord
unstable- threat to the cord
the spina cord runs through the spinal canal. it fits loosest at c1-c2 allowing a little more room for cord
edema or bony malalignment at this level - CORRECT ANSWER
in adults, the most common level of spinal cord injury is c4-c6 - CORRECT ANSWER
concussions can cause... a change in the level of consciousness - CORRECT ANSWER
, spinal cord concussion- patients have complete and sudden loss of motor function below the injury but
they experience a complete neurological recovery within 72 hours
unlike brain concussions that can affect the RAS but causing a change in the level of consciousness -
CORRECT ANSWER
the spinal cord can sustain the same injuries as the brain... it has the same layers
SDH
EDH
stroke - CORRECT ANSWER
is it possible to injure just the spinal cord without an associated bone or ligamentous injury
yes
the cord is stretched, but the bones and ligaments go back into their place - CORRECT ANSWER
a CT scan is the test of choice for viewing bony structures, while an MRI is better for viewing soft tissue
structures - CORRECT ANSWER
the anterior spinal cord:
comprises 2/3 of the cord
is supplied by a single spinal artery
and has no collateral circulation in the event of injury to the one vessel - CORRECT ANSWER
central cord syndrome - CORRECT ANSWER "they can sing and dance but cant play the piano"
most common of the incomplete cord syndrome in adults