EEG 210- Final Exam Review Questions With Solutions
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Course
Electroencephalography
Institution
Electroencephalography
EEG 210- Final Exam Review Questions
With Solutions
Wickets, SSS or BETS, RMTD or Rhythmic Mid-Temporal Theta Discharges of Drowsiness), 14
& 6 Hz Positive Spikes, SREDA Normal variants that may cause confusion in EEG
recordings
Classification Quantification Localization Ways in which EEG ca...
Euvolemia 4. Eucapnia (PaCo2 35-45 mm Hg) 5. Absence of hypoxia 6. No prior evidence of
Co2 retention (i.e. chronic obstructive pulmonary disease or severe obesity) Abort the test
if the patient becomes unstable (Hypoxic, Hypotensive, or develops cardiac arrhythmias)
In an ICS/ECI recording, the interelectrode distances should be: at least greater than or
equal to 10 cm
True or False: When performing an ECS/ECI recording, there should be NO EEG reactivity to
INTENSE somatosensory, auditory and visual stimuli. True
Tapping each electrode in an ECI/ECS recording is done to: test the integrity of the entire
system
, EEG 210- Final Exam Review Questions
With Solutions
How many electrodes are needed to perform an ECS/ECI (evaluation for brain death) EEG
Study, to ensure that focal attenuation is not mistaken for electrocerebral inactivity? the
full set of International 10-20 System electrodes
True or False: When performing an ECS/ECI recording, additional monitoring techniques should
be employed when necessary, and every effort made to eliminate and/or identify and document
any sources of artifact such as IV drips, electric beds, EKG, respiration and movement. Common
artifacts can be monitored with EKG, EMG and respiratory monitoring channels. True
Impedances in an ECI/ECS recording should range: less than 10K Ohms but more than
100 Ohms
In an ECS/ECI recording the sensitivity should be: 2µV/mm for at least 30 minutes of the
recording
True or False: According to ACNS Guidelines 6: Low frequency filter in ECS/ECI recordings
should not be set above 1 Hz to avoid eliminating slow potentials and the high frequency filter
should not be set below 30 Hz to avoid elimination of high frequency potentials. The 60-Hz
notch filter can be used with care, and only after appropriate troubleshooting is performed. If the
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