NSB236 Week 2 Questions and Correct Answers the Latest Update
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Course
NSB236
Institution
NSB236
TBI (traumatic brain injury)
Traumatically induced structural injury or physiological disruption of brain function
as a result of an external force
(Dynamic loading - car crash organs back and forth and angular loads - punch)
Symptoms of TBI
▪ ALOC or lost
▪ Amnesia
▪ Neurol...
NSB236 Week 2 Questions and
Correct Answers the Latest Update
TBI (traumatic brain injury)
✓ Traumatically induced structural injury or physiological disruption of brain function
as a result of an external force
✓
✓ (Dynamic loading - car crash organs back and forth and angular loads - punch)
Symptoms of TBI
✓ ▪ ALOC or lost
✓ ▪ Amnesia
✓ ▪ Neurological deficit
✓ ▪ Intracranial lesion (organ damage)
✓ ▪ Penetrating or closed head injuries
✓ Transfer of energy from the environment to tissue above the amount that be
adsorbed without dysfunction (Dynamic loading - car crash organs back and forth
and angular loads - punch)
Diffuse axonal head injury (traumatic shearing) (coup-contracoup)
✓ 1. Tensile forces relation to trauma e.g. - shaken baby syndrome
✓
✓ 2. The shearing of the axons resulting in axonal disconnection
✓
✓ 3. Neurotransmitters leaking and in contact with the brain tissue
✓ Poor outcomes - 90% remain in a permanent vegetative state
Primary Injury of intracranial haemorrhage
✓ Occurs first insult leading to neuropathological changes which lead to:
✓
✓ 1. Ischemia (reduced blood flow)
✓
✓ 2. Cerebral oedema
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