NSG 3280 Exam 3 Questions and Answers|
Updated
The brain needs which of the two to survive?
Oxygen & Glucose
______________________ is a secondary injury to ischemia that can result in
free radicals, inflammation and more ischemia.
Reperfusion injury
What neurotransmitter is responsible for most brain function and results in an
influx of calcium?
Glutamate
__________ often kills cells.
Free radicals
Ischemia causes what to occur in the brain within minutes.
Necrosis
,The patient presents with headache, nausea, vomiting, blurry vision, and altered
LOC the nurse would suspect ______________.
increased ICP.
Reperfusion injuries result when oxygen returns to a new area of necrosis and
binds to other stuff, making free radicals.
True
Which of the following is NOT a concern with reperfusion injury?
Increased ICP
_____________________ describes a phenomenon where when one intracranial
component changes the others compensate?
Monro-Kellie doctrine
What is the final stage of increased ICP?
Brain compression/herniation
What increases the risk of midline shift with increased ICP?
Unilateral swelling
What type of TBI happens when the brain shifts during acceleration-
deceleration movement?
, Polar injury (coup- contrecoup)
Shaken baby syndrome is an example of ________ TBIs.
Diffuse injuries
Severing of ________________ can result in an irreversible comatose state.
Axon
_______________ hematoma happens between the skull and the dura.
Epidural
Ischemic stroke happens from occlusion by thrombus or embolism.
True
The area of brain surrounding the ischemia that urgently needs to be treated to
be spared is the _______________________.
Penumbra
______________ aphasia happens from damage to Broca's area.
Expressive
Updated
The brain needs which of the two to survive?
Oxygen & Glucose
______________________ is a secondary injury to ischemia that can result in
free radicals, inflammation and more ischemia.
Reperfusion injury
What neurotransmitter is responsible for most brain function and results in an
influx of calcium?
Glutamate
__________ often kills cells.
Free radicals
Ischemia causes what to occur in the brain within minutes.
Necrosis
,The patient presents with headache, nausea, vomiting, blurry vision, and altered
LOC the nurse would suspect ______________.
increased ICP.
Reperfusion injuries result when oxygen returns to a new area of necrosis and
binds to other stuff, making free radicals.
True
Which of the following is NOT a concern with reperfusion injury?
Increased ICP
_____________________ describes a phenomenon where when one intracranial
component changes the others compensate?
Monro-Kellie doctrine
What is the final stage of increased ICP?
Brain compression/herniation
What increases the risk of midline shift with increased ICP?
Unilateral swelling
What type of TBI happens when the brain shifts during acceleration-
deceleration movement?
, Polar injury (coup- contrecoup)
Shaken baby syndrome is an example of ________ TBIs.
Diffuse injuries
Severing of ________________ can result in an irreversible comatose state.
Axon
_______________ hematoma happens between the skull and the dura.
Epidural
Ischemic stroke happens from occlusion by thrombus or embolism.
True
The area of brain surrounding the ischemia that urgently needs to be treated to
be spared is the _______________________.
Penumbra
______________ aphasia happens from damage to Broca's area.
Expressive
