ABRET EEG EXAM 800 2026 COMPLETE
NEURODIAGNOSTIC TECHNICIAN EXAM
READINESS AND REVIEW GUIDE
◉ 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
◉ EEG amplifiers work on the principle(s) of.
Answer: differentiation and amplification
,◉ Doubling the inter-electrode distances will have what effect on
the waveforms?.
Answer: increase amplitude
◉ term used to describe the. way a signal is sampled at intervals and
assigned a numeric value.
Answer: sampling rate
◉ Digital EEG montages are reformatted by using.
Answer: system reference
◉ Input impedance should be.
Answer: very high
◉ Low sampling rate may cause fast frequencies to appear slower:.
Answer: aliasing
◉ 2016 ACNS guidelines recommends a CMRR of at least:.
Answer: 90 dB
◉ which of the following sites is most commonly used for the
ground electrode in EEG.
, Answer: Fpz
◉ For low frequency filters (LFFs), the corresponding time
constants for LFF cutoff frequency of 3 Hz would be.
Answer: 0.05 seconds
◉ frequency response curve.
Answer: filters
◉ Vertical resoution.
Answer: amplitude
◉ common mode rejection.
Answer: differential amplifier
◉ A 0.3 Hz wave would be attenuated by what percentage with a 0.3
Hz filter?.
Answer: 0.3
◉ long time constant.
Answer: LFF of .1 hz
NEURODIAGNOSTIC TECHNICIAN EXAM
READINESS AND REVIEW GUIDE
◉ 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
◉ EEG amplifiers work on the principle(s) of.
Answer: differentiation and amplification
,◉ Doubling the inter-electrode distances will have what effect on
the waveforms?.
Answer: increase amplitude
◉ term used to describe the. way a signal is sampled at intervals and
assigned a numeric value.
Answer: sampling rate
◉ Digital EEG montages are reformatted by using.
Answer: system reference
◉ Input impedance should be.
Answer: very high
◉ Low sampling rate may cause fast frequencies to appear slower:.
Answer: aliasing
◉ 2016 ACNS guidelines recommends a CMRR of at least:.
Answer: 90 dB
◉ which of the following sites is most commonly used for the
ground electrode in EEG.
, Answer: Fpz
◉ For low frequency filters (LFFs), the corresponding time
constants for LFF cutoff frequency of 3 Hz would be.
Answer: 0.05 seconds
◉ frequency response curve.
Answer: filters
◉ Vertical resoution.
Answer: amplitude
◉ common mode rejection.
Answer: differential amplifier
◉ A 0.3 Hz wave would be attenuated by what percentage with a 0.3
Hz filter?.
Answer: 0.3
◉ long time constant.
Answer: LFF of .1 hz
