Practice questions CLTM fully solved 2023/2024

Practice questions CLTM cortical potentials for median nerve SSEP are recorded from - correct answer ipsilateral parietal lobe type of cortical responses over the primary somatosensory cortex to median SSEPs - correct answer negative nearfield what waveforms are sought in direct cortical stim - correct answer N20/P22 stereo EEG electrodes are composed of - correct answer nickel-chromium composite strip/grid electrodes made of - correct answer stainless steel or platinum risk of using foramen ovale electrodes - correct answer risk of facial numbness cortical responses recorded over the supplementary motor cortex to median nerve SSEP is what type - correct answer positive near-field response the amount of time it takes for the waveform to return 2/3 of the way to the baseline - correct answer time constant intracranial monitoring electrodes are made of - correct answer platinum reference electrode for localization of the sensorimotor cortex is placed where - correct answer contralateral scalp or ear what causes delayed ischemia after SAH aneurysm - correct answer vasospasm migraine aura - correct answer evolves over several minutes arterial vessel constriction - correct answer vasospasm signs of frontal operculum seizure - correct answer hypersalivation oral-facial apraxia facial clonic activity EEG SAH - correct answer slowing electrode signal from motor cortex when doing phase reversal monitoring - correct answer positive polarity P22 latency for somatosensory cortical potentials to upper extremity stimulation - correct answer 20 msec most common sign of temporal lobe seizure - correct answer dystonia olfactory hallucinations come from - correct answer orbital frontal cortex first line treatment for LGS - correct answer Valproic acid best anesthetic for ECoG in OR - correct answer desflurane focal seizures with tingling in the face likely originate in - correct answer inferior post-central gyrus anterior temporal spikes in children usually represent - correct answer an identifiable structural lesion carotid endarterectomy - correct answer -surgical removal of diseased lining at the carotid artery bifurcation to leave a smooth lining and restore blood flow -prevents ischemic stroke