Closed Head TBIs

Question 1

Closed injuries

Answer 1

damage to the brain that doesn’t break open the skull and penetrate the cerebral meninges surrounding the brain

SKULL REMAINS INTACT

Question 2

Tow categorizations of TBI

Answer 2

Acceleration-Deceleration injuries

Impact-based injuries

Question 3

Acceleration-deceleration closed head injuries

Answer 3

when the brain is moving very fast through space (acceleration) and then come to a very abrupt halt (deceleration)

Question 4

Coup-contrecoup

Answer 4

Coup: severe first hit or impact to the brain

Countercoup: secondary impact of the brain

Not constrained to an anterior-posterior profile in the brain

Question 5

G-force

Answer 5

Brain can be damage due to high levels of g-force

G - gravitational
Force - amount of force exerted on an object

Question 6

Diffuse axonal shearing

Answer 6

when neuronal connections are pulled apart, microlesions are created across large areas of the brain

Question 7

Impact-Based Closed Head TBI

Answer 7

TBI occurs when head is being struck by a moving object