TBI TBI Cognitive & Behavioral Outcomes 3

Question 1

Chronic Traumatic Encephalopathy (CTE) is a progressive neurodegenerative condition associated with which risk factor?

Accepted Answer

Repetitive head impacts over time (multiple concussions)

Answer

Single severe TBI

Answer

Only blast injury exposure

Answer

Childhood febrile seizures

Question 2

Which population has shown the greatest risk of developing dementia following TBI?

Accepted Answer

Older adults and those with moderate-to-severe TBI, especially with loss of consciousness

Answer

Young adults with mild TBI

Answer

Children with concussion

Answer

Athletes with single sports-related concussion

Question 3

Which standardized neuropsychological assessment battery is commonly used to evaluate cognitive outcomes after TBI?

Accepted Answer

Repeatable Battery for Assessment of Neuropsychological Status (RBANS)

Answer

MMSE alone

Answer

Mini-Cog only

Answer

AUDIT-C

Question 4

Impaired self-awareness (anosognosia) after TBI is most associated with damage to which brain region?

Accepted Answer

Right prefrontal and parietal cortex

Answer

Cerebellum

Answer

Left temporal lobe

Answer

Brainstem reticular formation

Question 5

Return-to-work outcomes after TBI are most strongly predicted by which factors?

Accepted Answer

Injury severity, cognitive function, pre-injury employment, and psychological adjustment

Answer

Injury mechanism alone

Answer

Age of injury only

Answer

Gender and race

Question 6

What is 'emotional lability' as seen in TBI survivors, and how does it differ from depression?

Accepted Answer

Rapid, exaggerated emotional shifts triggered by minor stimuli, without sustained mood change; differs from the persistent low mood of depression

Answer

Persistent sadness; identical to depression

Answer

Complete emotional blunting; opposite of depression

Answer

Euphoric mania; diagnosed as bipolar disorder