2024 ABRET Final Test

2024 ABRET Final Test Actual Questions and Answers 100% Correct

• What type of montage is shown in this sample?

Answer: Referential Montage

• Which montage would best display the amplitude of a left temporal spike?-

Answer: Left temporal to the contralateral ear

• Referential recording is most appropriate for measuring?

Answer: Voltage

• How can a defective electrode be identified?

Answer: Placing a bad electrode with high impedance into a pin position with

working non reference electrode will result high impedance

• To confirm the integrity of a poorly recording electrode, the tech should...?

Answer: - Replace the electrode with a low impedance in the connection of the poorly recording electrode and recheck impedance

• 14- and -6/sec Hz positive spikes are best demonstrated with a reference to?

Answer: Contralateral ear reference

• 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

• A patient with suspected asymmetrical low-voltage fast activity is observed to

have a sweat artifact during the EEG recording. Which of the following EEG settings could be used to reduce the effects of the artifact?

Answer: S= 5 micro- volts/mm, LFF=5 Hz, HFF = 70 Hz

• In a referential montage localization is determined by?

Answer: Amplitude

• Switching an effective electrode located in a bad pin position and a good

electrode located in working pin position will result in..?Answer: Bad electrode-high impedance in a good pin position; good electrode- high impedance in bad pin position

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• A defective headbox pin can be identified by...?

Answer: Placing a non reference electrode with low impedance into a bad pin will result low impedance

• Increasing the number of seconds displayed on the monitor

Answer: Does not change spike amplitude or duration - it shrinks the picture of the displayed waves

• Which of the following setting is most sensitive

Answer: 2 µV/mm

• A waveform of 0.5 Hz can be best enhanced with a filter of

Answer: LFF of 0.3 Hz

• Which of the following time constants would best display delta activity?

Answer: - 1.0 second

• Time constant

Answer: Low frequency filter

• A 0.5 Hz wave is enhanced without affecting a spike by using...?

Answer: a LFF 0.3 Hz

• Frequency Response Curve

Answer: Filters

• The 60 Hz notch filter will have the greatest effect on a waveform having a

duration of

Answer: 16mm/sec

• A slow wave focus is best seen with...?

Answer: LFF 0.3 Hz, PPS of 15 mm/sec

• With high frequency filtering, muscle artifact may become distorted and look

like...?

Answer: Beta activity

• Which combination settings will help enhance a low voltage slow wave that is

being masked by muscle activity?Answer: Sensitivity of 5µV; LFF of 0.3 Hz; HFF of 35 Hz

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