PRACTICE QUESTIONS CLTM EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
Cortical potentials for median nerve SSEP are recorded from - ANS ipsilateral parietal lobe
type of cortical responses over the primary somatosensory cortex to median SSEPs -
ANS negative nearfield
what waveforms are sought in direct cortical stim - ANS N20/P22
stereo EEG electrodes are composed of - ANS nickel-chromium composite
strip/grid electrodes made of - ANS stainless steel or platinum
risk of using foramen ovale electrodes - ANS risk of facial numbness
cortical responses recorded over the supplementary motor cortex to median nerve SSEP is what
type - ANS positive near-field response
the amount of time it takes for the waveform to return 2/3 of the way to the baseline -
ANS time constant
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,intracranial monitoring electrodes are made of - ANS platinum
reference electrode for localization of the sensorimotor cortex is placed where -
ANS contralateral scalp or ear
what causes delayed ischemia after SAH aneurysm - ANS vasospasm
migraine aura - ANS evolves over several minutes
arterial vessel constriction - ANS vasospasm
signs of frontal operculum seizure - ANS hypersalivation
oral-facial apraxia
facial clonic activity
EEG SAH - ANS slowing
electrode signal from motor cortex when doing phase reversal monitoring - ANS positive
polarity P22
latency for somatosensory cortical potentials to upper extremity stimulation - ANS 20 msec
most common sign of temporal lobe seizure - ANS dystonia
olfactory hallucinations come from - ANS orbital frontal cortex
first line treatment for LGS - ANS Valproic acid
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, best anesthetic for ECoG in OR - ANS desflurane
focal seizures with tingling in the face likely originate in - ANS inferior post-central gyrus
anterior temporal spikes in children usually represent - ANS an identifiable structural lesion
carotid endarterectomy - ANS -surgical removal of diseased lining at the carotid artery
bifurcation to leave a smooth lining and restore blood flow
-prevents ischemic stroke
what procedure is done to prevent ischemic stroke - ANS carotid enderartectomy
what percentage of the population have an intact and functioning Circle of Willis - ANS 50%
(and only 25% have classic configuration)
MCA - ANS supplies Broca's and Wernicke's Areas,
Heschl's gyrus
Frontal Eye Fields,
Face and Arm Areas of Motor and Sensory Cortex
symptoms of MCA infarction/hemorrhage - ANS aphasia
motor deficits
neglect (rt hemisphere)
anesthesia for CAE - ANS isoforane or desoforane with narcotic
waves upper SSEP - ANS N20/P22
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS GRADED A+
2025/2026
Cortical potentials for median nerve SSEP are recorded from - ANS ipsilateral parietal lobe
type of cortical responses over the primary somatosensory cortex to median SSEPs -
ANS negative nearfield
what waveforms are sought in direct cortical stim - ANS N20/P22
stereo EEG electrodes are composed of - ANS nickel-chromium composite
strip/grid electrodes made of - ANS stainless steel or platinum
risk of using foramen ovale electrodes - ANS risk of facial numbness
cortical responses recorded over the supplementary motor cortex to median nerve SSEP is what
type - ANS positive near-field response
the amount of time it takes for the waveform to return 2/3 of the way to the baseline -
ANS time constant
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,intracranial monitoring electrodes are made of - ANS platinum
reference electrode for localization of the sensorimotor cortex is placed where -
ANS contralateral scalp or ear
what causes delayed ischemia after SAH aneurysm - ANS vasospasm
migraine aura - ANS evolves over several minutes
arterial vessel constriction - ANS vasospasm
signs of frontal operculum seizure - ANS hypersalivation
oral-facial apraxia
facial clonic activity
EEG SAH - ANS slowing
electrode signal from motor cortex when doing phase reversal monitoring - ANS positive
polarity P22
latency for somatosensory cortical potentials to upper extremity stimulation - ANS 20 msec
most common sign of temporal lobe seizure - ANS dystonia
olfactory hallucinations come from - ANS orbital frontal cortex
first line treatment for LGS - ANS Valproic acid
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, best anesthetic for ECoG in OR - ANS desflurane
focal seizures with tingling in the face likely originate in - ANS inferior post-central gyrus
anterior temporal spikes in children usually represent - ANS an identifiable structural lesion
carotid endarterectomy - ANS -surgical removal of diseased lining at the carotid artery
bifurcation to leave a smooth lining and restore blood flow
-prevents ischemic stroke
what procedure is done to prevent ischemic stroke - ANS carotid enderartectomy
what percentage of the population have an intact and functioning Circle of Willis - ANS 50%
(and only 25% have classic configuration)
MCA - ANS supplies Broca's and Wernicke's Areas,
Heschl's gyrus
Frontal Eye Fields,
Face and Arm Areas of Motor and Sensory Cortex
symptoms of MCA infarction/hemorrhage - ANS aphasia
motor deficits
neglect (rt hemisphere)
anesthesia for CAE - ANS isoforane or desoforane with narcotic
waves upper SSEP - ANS N20/P22
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
