©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
PT 623: TBI Exam Questions and
Answers 100% Solved | Rated A+
what are the stats on TBI - ✔✔-1.5 to 2 mill incur a TBI each yr -> 50000
die
-80-90000 develop intellectual, behavioral, physical disabilities
-50,000 children sustain bike related TBIs
-blast injuries from war is a rising cause
who gets TBIs - ✔✔Men>Women
15-24 y/o
Risk Takers
what is the most common overall cause of TBI - ✔✔falls (28%)
-MVA 20%
-Assaults 11%
-Sports/recreation 19%
what percent of infant TBIs are due to abuse - ✔✔64%
when does damage occur and how does it occur with TBI - ✔✔occur at the
moment of impact
,©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
-acc/deceleration forces
-rotational forces
-penetrating forces
what are two types of brain injuries from trauma - ✔✔-open brain injuries
-closed brain injuries
what occurs due to open brain injury - ✔✔-caused by penetrating objects
-exposure of brain tissue
-damage is localized to site of wound
what occurs due to closed brain injury - ✔✔-MORE COMMON
-caused by MVA/fall
-skull may or may not fx
-brain bounces against the skull
-damage is more widespread
what are non-traumatic causes of TBI - ✔✔-anoxia
-hypoxia
what is anoxia - ✔✔absence of oxygen
-drowning or cardiac arrest
what is hypoxia - ✔✔deficiency in the amount of oxygen supply
where does anoxia/hypoxia cause damage - ✔✔at the cellular level
, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
-may impact entire brain
what are common causes of non-traumatic TBI - ✔✔-near drowning
-MI
-toxic exposures
-tumors/masses
-infections
-vascular disruption/blood loss
what is ABI - ✔✔Acquired Brain Injury
-describes BOTH traumatic and non-traumatic causes
what are two types of injury from primary damage - ✔✔focal and diffuse
where does focal damage occur - ✔✔-area of contact between skull and
brain or projectile
-often coup/contrecoup injuries
what is coup - ✔✔area that is struck at impact
what is contrecoup - ✔✔On the opposite side of the coup injury
-from the bounce
what is the result of focal damage - ✔✔-contusion
-laceration (tearing)
-hematomas (bleeding in dural spaces or parenchyma)
PT 623: TBI Exam Questions and
Answers 100% Solved | Rated A+
what are the stats on TBI - ✔✔-1.5 to 2 mill incur a TBI each yr -> 50000
die
-80-90000 develop intellectual, behavioral, physical disabilities
-50,000 children sustain bike related TBIs
-blast injuries from war is a rising cause
who gets TBIs - ✔✔Men>Women
15-24 y/o
Risk Takers
what is the most common overall cause of TBI - ✔✔falls (28%)
-MVA 20%
-Assaults 11%
-Sports/recreation 19%
what percent of infant TBIs are due to abuse - ✔✔64%
when does damage occur and how does it occur with TBI - ✔✔occur at the
moment of impact
,©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
-acc/deceleration forces
-rotational forces
-penetrating forces
what are two types of brain injuries from trauma - ✔✔-open brain injuries
-closed brain injuries
what occurs due to open brain injury - ✔✔-caused by penetrating objects
-exposure of brain tissue
-damage is localized to site of wound
what occurs due to closed brain injury - ✔✔-MORE COMMON
-caused by MVA/fall
-skull may or may not fx
-brain bounces against the skull
-damage is more widespread
what are non-traumatic causes of TBI - ✔✔-anoxia
-hypoxia
what is anoxia - ✔✔absence of oxygen
-drowning or cardiac arrest
what is hypoxia - ✔✔deficiency in the amount of oxygen supply
where does anoxia/hypoxia cause damage - ✔✔at the cellular level
, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
-may impact entire brain
what are common causes of non-traumatic TBI - ✔✔-near drowning
-MI
-toxic exposures
-tumors/masses
-infections
-vascular disruption/blood loss
what is ABI - ✔✔Acquired Brain Injury
-describes BOTH traumatic and non-traumatic causes
what are two types of injury from primary damage - ✔✔focal and diffuse
where does focal damage occur - ✔✔-area of contact between skull and
brain or projectile
-often coup/contrecoup injuries
what is coup - ✔✔area that is struck at impact
what is contrecoup - ✔✔On the opposite side of the coup injury
-from the bounce
what is the result of focal damage - ✔✔-contusion
-laceration (tearing)
-hematomas (bleeding in dural spaces or parenchyma)
