* Glasgow Coma Scale (GCS) 3-8 - correct answer Severe TBI; normal or abnormal structural imaging. LOC over 24 hours, post traumatic amnesia over 7 days * Glasgow Coma Scale 9-12 - correct answer Moderate TBI; LOC over 30 minutes but less than 24 hours; alteration of consciousness over 24 hours, post traumatic amnesia more than 1 day but less than 7 days * Glasgow Coma Scale 13-15 - correct answer Mild TBI; normal imaging; LOC 0-30 minutes, alteration of consciousness up to 24 hours, post traumatic amnesia up to 1 day * 3 parts of neuron - correct answer Cell body Axon Dendrites * 2.5 million TBIs - correct answer 53,000 deaths (2%) 284,000 hospitalizations (11%) 2,214,000 ED visits (87%) * Coup-contrecoup - correct answer When the brain accelerates in one directions, it rebounds in the opposite direction * Acquired Brain Injury - correct answer An injury to the brain that is not hereditary, congenital, degenerative or induced by birth trauma * Traumatic Brain Injury - correct answer An alteration of brain function or other evidence of brain pathology caused by an external force