ABRET Certification For Neurophysiological Intraoperative Monitoring (CNIM) Exam

Nitrous oxide specifically affects evoked potentials by:

Selectively suppressing subcortical potentials while sparing cortical ones Reducing amplitude of cortical responses, particularly affecting MEPs significantly Having no effect on any evoked potential modality Selectively abolishing BAEPs

Correct Answer:

Reducing amplitude of cortical responses, particularly affecting MEPs significantly

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