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What important function resides in the medulla? - Answer-
cardiorespiratory centers.
What important functions are in the following brain
segments:
1. left hemisphere:
2. frontal lobe:
3. parietal lobe:
4. temporal: - Answer-1. left hemisphere: language center
2. frontal lobe: executive function, emotions, motor
3. parietal lobe: sensory function/spatial orientation
4. temporal: memory functions
What divides the brain into supratentorial and infratentorial
compartments? - Answer-tentorium cerebelli. (tent over
cerebellum)
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What is the physiology behind a blown pupil? - Answer-
blown pupil: dilation of pupil
-CN III runs along the tentorium cerebelli. parasympathetic
fibers that constrict the pupil run along CN III (oculomotor).
When temporal lobe is herniated, it can compress these
fibers. Unapposed sympathetic activity causes pupillary
dilation.
What is the tentorial notch/hiatus - Answer-this is where
the midbrain passes through into the infratentorial
compartment.
what part of the brain most commonly herniates through
the tentorial notch? - Answer-Uncus (medial part of
temporal lobe)
What is the primary goal of treating TBI? How is this
done? - Answer-preventing secondary brain injury. This is
done by maintaining blood pressure and providing
adequate profusion.
After managing ABCDEs of TBI what MUST be identified if
present? How is this done? - Answer-mass lesion that
requires surgical evacuation is critical! this is done with
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CT. NOTE: obtaining a CT should not delay patient
transfer to trauma center.
Which brain lobes do the following hold:
1. anterior fossa:
2. middle fossa:
3. posterior fossa: - Answer-1. anterior fossa: frontal lobes
2. middle fossa: temporal lobes
3. posterior fossa: lower brainstem and cerebellum
What are the 3 layers of the meninges? - Answer-dura
mater, arachnoid mater, pia mater
_______ fills the space between the arachnoid and pia
mater? - Answer-CSF. this cushions the brain and spinal
cord.
What location of brain hemorrhage is frequently seen in
brain contusion or injury to major blood vessels at base of
brain? - Answer-subarachnoid.
ATLS Written Review ||Verified Exam!!!|| Most Recent
Exam Actual Complete Real Exam Questions And
Correct Answers (Verified Answers) Already Graded
A+ | Guaranteed Success!! | Newest Exam!!!
What important function resides in the medulla? - Answer-
cardiorespiratory centers.
What important functions are in the following brain
segments:
1. left hemisphere:
2. frontal lobe:
3. parietal lobe:
4. temporal: - Answer-1. left hemisphere: language center
2. frontal lobe: executive function, emotions, motor
3. parietal lobe: sensory function/spatial orientation
4. temporal: memory functions
What divides the brain into supratentorial and infratentorial
compartments? - Answer-tentorium cerebelli. (tent over
cerebellum)
,2|Page
What is the physiology behind a blown pupil? - Answer-
blown pupil: dilation of pupil
-CN III runs along the tentorium cerebelli. parasympathetic
fibers that constrict the pupil run along CN III (oculomotor).
When temporal lobe is herniated, it can compress these
fibers. Unapposed sympathetic activity causes pupillary
dilation.
What is the tentorial notch/hiatus - Answer-this is where
the midbrain passes through into the infratentorial
compartment.
what part of the brain most commonly herniates through
the tentorial notch? - Answer-Uncus (medial part of
temporal lobe)
What is the primary goal of treating TBI? How is this
done? - Answer-preventing secondary brain injury. This is
done by maintaining blood pressure and providing
adequate profusion.
After managing ABCDEs of TBI what MUST be identified if
present? How is this done? - Answer-mass lesion that
requires surgical evacuation is critical! this is done with
, 3|Page
CT. NOTE: obtaining a CT should not delay patient
transfer to trauma center.
Which brain lobes do the following hold:
1. anterior fossa:
2. middle fossa:
3. posterior fossa: - Answer-1. anterior fossa: frontal lobes
2. middle fossa: temporal lobes
3. posterior fossa: lower brainstem and cerebellum
What are the 3 layers of the meninges? - Answer-dura
mater, arachnoid mater, pia mater
_______ fills the space between the arachnoid and pia
mater? - Answer-CSF. this cushions the brain and spinal
cord.
What location of brain hemorrhage is frequently seen in
brain contusion or injury to major blood vessels at base of
brain? - Answer-subarachnoid.
