TRAUMATIC BRAIN INJURY 2 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+

TBI - CORRECT ANSWER traumatic insult to brain capable of producing physical, intellectual, emotional, social and vocational changes; 500,000 each year; every 16 seconds Risk factors - CORRECT ANSWER children 4-5 years; males 15-24; elderly 75+; most common cause of death under 38 years; alcohol consumption; history of marital discord, learning or physical disability Causes of TBI - CORRECT ANSWER Motor vehicle accidents (alcohol usually involved) 50%; Falls; assault; child abuse Neuropathology of TBI - CORRECT ANSWER damage likely to frontal and temporal lobes; vulnerability of hippocampus and other temporal lobe limbic structures causing post traumatic memory, emotional, and behavioral disruption; Diffuse Axonal Injury (stretching or shearing of white fiber tracts in cerebrum or brainstem) - effects may be swelling or intracranial pressure or hemorrhages; hematoma may produce cognitive effects