What new imaging techniques help in the placement of ECoG electrodes?
a. Ultrasound and standard X-Rays
b. Contrast MRI and CT scans
c. Digital photographs and MEG
d. Fusion of functional SPECT and PET scans and structural MRI
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d. Fusion of functional SPECT and PET scans and structural MRI
Is Coherence imaging a measure of the brain's synchronicity?
a. Yes
b. No
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, a. Yes
Which of the following is seen frequently with an AVM?
a. Venous occlusion
b. Arterial occlusion
c. Intraparenchymal hemorrhage
d. Subarachnoid hemorrhage
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c. Intraparenchymal hemorrhage
Which of the following is NOT a circulatory management strategy used during aortic
surgery?
a. Antegrade cerebral perfusion
b. Cardiopulmonary bypass
c. Retrograde cerebral perfusion
d. Hypothermia
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d. Hypothermia
In mapping within the brainstem, there are special challenges in determining both a
safe approach and performing precise mapping. The use of monopolar and bipolar
stimulation can be useful but are thought to provide slightly different information.
(Select all statements that are true)
a. Bipolar stimulators are thought to be more sensitive
b. Monopolar stimulators are thought to be more sensitive, but more research is
,needed
c. Monopolar stimulators are thought to be more specific
d. Bipolar stimulators are thought to be more specific, but more research is needed
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b. Monopolar stimulators are thought to be more sensitive, but more
research is needed
d. Bipolar stimulators are thought to be more specific, but more research is
needed
Invasive median nerve SSEP are used in IONM to:
a. Locate eloquent cortex
b. Aid in the placement of instrumentation
c. Monitor the brainstem
d. Locate the somatosensory and motor cortex
e. Monitor spine surgery
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d. Locate the somatosensory and motor cortex
Routine conventional neurophysiologic monitoring of the brainstem function typically
requires the use of _____ (select all that apply) but the combined use of all these
modalities provides only 20% of the brainstem cross-sectional area between the
pontomedullary and pontomesencephalic junctions at any given level.
-MEPs
-VEPs
-BAEPs
-EEG
-SEPs
Give this one a try later!
, -MEPs
-BAEPs
-SEPs
Testing of patients for motor, sensory, and or language function in ECoG with Cortical
Stimulation, is done using.
a. Trains of bipolar, constant current electrical stimulation applied to exposed cortex
during neurosurgery
b. Corkscrew surface electrodes applied to the scalp at CP3 and CP4
c. Monopolar, constant voltage, square wave single stimulations
Give this one a try later!
a. Trains of bipolar, constant current electrical stimulation applied to
exposed cortex during neurosurgery
If we know normal brain anatomy and the the cytoarchitectural organization of the
Human Cerebral Cortex, why do we still need to do cortical stimulation during ECoG
to localize function
a. Right and left handed people have great variability in brain organization
b. Normal range variability and sometimes variations caused by abnormalities such as
tumors
c. Not enough studies have been done on normal brain function to establish normal
patterns
Give this one a try later!
b. Normal range variability and sometimes variations caused by
abnormalities such as tumors
a. Ultrasound and standard X-Rays
b. Contrast MRI and CT scans
c. Digital photographs and MEG
d. Fusion of functional SPECT and PET scans and structural MRI
Give this one a try later!
d. Fusion of functional SPECT and PET scans and structural MRI
Is Coherence imaging a measure of the brain's synchronicity?
a. Yes
b. No
Give this one a try later!
, a. Yes
Which of the following is seen frequently with an AVM?
a. Venous occlusion
b. Arterial occlusion
c. Intraparenchymal hemorrhage
d. Subarachnoid hemorrhage
Give this one a try later!
c. Intraparenchymal hemorrhage
Which of the following is NOT a circulatory management strategy used during aortic
surgery?
a. Antegrade cerebral perfusion
b. Cardiopulmonary bypass
c. Retrograde cerebral perfusion
d. Hypothermia
Give this one a try later!
d. Hypothermia
In mapping within the brainstem, there are special challenges in determining both a
safe approach and performing precise mapping. The use of monopolar and bipolar
stimulation can be useful but are thought to provide slightly different information.
(Select all statements that are true)
a. Bipolar stimulators are thought to be more sensitive
b. Monopolar stimulators are thought to be more sensitive, but more research is
,needed
c. Monopolar stimulators are thought to be more specific
d. Bipolar stimulators are thought to be more specific, but more research is needed
Give this one a try later!
b. Monopolar stimulators are thought to be more sensitive, but more
research is needed
d. Bipolar stimulators are thought to be more specific, but more research is
needed
Invasive median nerve SSEP are used in IONM to:
a. Locate eloquent cortex
b. Aid in the placement of instrumentation
c. Monitor the brainstem
d. Locate the somatosensory and motor cortex
e. Monitor spine surgery
Give this one a try later!
d. Locate the somatosensory and motor cortex
Routine conventional neurophysiologic monitoring of the brainstem function typically
requires the use of _____ (select all that apply) but the combined use of all these
modalities provides only 20% of the brainstem cross-sectional area between the
pontomedullary and pontomesencephalic junctions at any given level.
-MEPs
-VEPs
-BAEPs
-EEG
-SEPs
Give this one a try later!
, -MEPs
-BAEPs
-SEPs
Testing of patients for motor, sensory, and or language function in ECoG with Cortical
Stimulation, is done using.
a. Trains of bipolar, constant current electrical stimulation applied to exposed cortex
during neurosurgery
b. Corkscrew surface electrodes applied to the scalp at CP3 and CP4
c. Monopolar, constant voltage, square wave single stimulations
Give this one a try later!
a. Trains of bipolar, constant current electrical stimulation applied to
exposed cortex during neurosurgery
If we know normal brain anatomy and the the cytoarchitectural organization of the
Human Cerebral Cortex, why do we still need to do cortical stimulation during ECoG
to localize function
a. Right and left handed people have great variability in brain organization
b. Normal range variability and sometimes variations caused by abnormalities such as
tumors
c. Not enough studies have been done on normal brain function to establish normal
patterns
Give this one a try later!
b. Normal range variability and sometimes variations caused by
abnormalities such as tumors
