ABRET EEG EXAM 800 2026 HIGH-YIELD
NEUROPHYSIOLOGY AND EEG WAVEFORM
STUDY PACKAGE
◉ sphenoidal electrodes are used to record activity from the.
Answer: anterior temporal lobes
◉ what additional electrodes could be placed to help decipher
between artifact and cortical activity.
Answer: EOG electrodes
◉ what type of monitoring would be useful in an EEG with a patient
experiencing syncope?.
Answer: ECG
◉ an abbreviated 10-20 placement, respiration, ECG and EOG
monitors should be used when recording.
Answer: neonates
◉ what additional monitoring should be done in a middle age
patient who repeatedly alerts from sleep during the EEG?.
Answer: Respiration
,◉ brain abscess.
Answer: focal polymorphic delta activity
◉ Cortical EEG recordings can be obscured in patients who are tense
and anxious due to.
Answer: myogenic artifact
◉ which combination of settings will help enhance a low voltage
slow wave that is being masked by muscle activity?.
Answer: Sen 5; LF .3; HF 35
◉ to enhance the background alpha and beta asymmetry in an EEG
record showing moderately high voltage delta activity, the tech
should use a.
Answer: shorter time constant and increased sensitivity
◉ A waveform of 0.5 Hz can be best enhanced with a filter of.
Answer: LF 0.3 Hz
◉ of the following, the BEST choice of reference to be used when
recording in suspected temporal lobe epilepsy is.
Answer: CZ
,◉ Which montage would be best to localize occipital spikes by phase
reversal?.
Answer: circumferential bipolar montage
◉ When using the average reference, if a spike-and-wave focus
appears at C3, the abnormality would be best enhanced by.
Answer: excluding C3 and surrounding electrodes from reference
◉ which of the following montages would best display the
amplitude of a left temporal spike.
Answer: left temporal to the contralateral ear
◉ when attempting to minimize relentless muscle artifact on a
recording, the tech should be aware that lowering the high filter
could cause the artifact to resemble.
Answer: beta activity
◉ Referential recording is most appropriate for measuring.
Answer: voltage
◉ which of the following settings could be used to reduce the effects
of sweat artifact in a patient with asymmetrical low-voltage fast
activity?.
, Answer: -S = 5 microvolts/mm
-LF = 5 Hz
-HF = 70 Hz
◉ which of the following is the most appropriate instrumentation
setting change that should be made in order to enhance cortical
slowing?.
Answer: Change the LFF from 1 Hz to .1 Hz
◉ Fourteen and six Hz positive spikes are best recorded with.
Answer: the contralateral ear reference
◉ The best reference electrode in an awake patient with excessive
temporal myogenic activity would be.
Answer: Cz
◉ A slow wave focus is best seen with.
Answer: LF 0.3 Hz, paper speed 15 mm/sec
◉ Laplacian montage.
Answer: source reference derivation
NEUROPHYSIOLOGY AND EEG WAVEFORM
STUDY PACKAGE
◉ sphenoidal electrodes are used to record activity from the.
Answer: anterior temporal lobes
◉ what additional electrodes could be placed to help decipher
between artifact and cortical activity.
Answer: EOG electrodes
◉ what type of monitoring would be useful in an EEG with a patient
experiencing syncope?.
Answer: ECG
◉ an abbreviated 10-20 placement, respiration, ECG and EOG
monitors should be used when recording.
Answer: neonates
◉ what additional monitoring should be done in a middle age
patient who repeatedly alerts from sleep during the EEG?.
Answer: Respiration
,◉ brain abscess.
Answer: focal polymorphic delta activity
◉ Cortical EEG recordings can be obscured in patients who are tense
and anxious due to.
Answer: myogenic artifact
◉ which combination of settings will help enhance a low voltage
slow wave that is being masked by muscle activity?.
Answer: Sen 5; LF .3; HF 35
◉ to enhance the background alpha and beta asymmetry in an EEG
record showing moderately high voltage delta activity, the tech
should use a.
Answer: shorter time constant and increased sensitivity
◉ A waveform of 0.5 Hz can be best enhanced with a filter of.
Answer: LF 0.3 Hz
◉ of the following, the BEST choice of reference to be used when
recording in suspected temporal lobe epilepsy is.
Answer: CZ
,◉ Which montage would be best to localize occipital spikes by phase
reversal?.
Answer: circumferential bipolar montage
◉ When using the average reference, if a spike-and-wave focus
appears at C3, the abnormality would be best enhanced by.
Answer: excluding C3 and surrounding electrodes from reference
◉ which of the following montages would best display the
amplitude of a left temporal spike.
Answer: left temporal to the contralateral ear
◉ when attempting to minimize relentless muscle artifact on a
recording, the tech should be aware that lowering the high filter
could cause the artifact to resemble.
Answer: beta activity
◉ Referential recording is most appropriate for measuring.
Answer: voltage
◉ which of the following settings could be used to reduce the effects
of sweat artifact in a patient with asymmetrical low-voltage fast
activity?.
, Answer: -S = 5 microvolts/mm
-LF = 5 Hz
-HF = 70 Hz
◉ which of the following is the most appropriate instrumentation
setting change that should be made in order to enhance cortical
slowing?.
Answer: Change the LFF from 1 Hz to .1 Hz
◉ Fourteen and six Hz positive spikes are best recorded with.
Answer: the contralateral ear reference
◉ The best reference electrode in an awake patient with excessive
temporal myogenic activity would be.
Answer: Cz
◉ A slow wave focus is best seen with.
Answer: LF 0.3 Hz, paper speed 15 mm/sec
◉ Laplacian montage.
Answer: source reference derivation
