ABRET UPDATED ACTUAL Exam
Questions and CORRECT Answers
When the posterior background rhythm does not attenuate with eye opening it is referred to as: -
CORRECT ANSWER - Bancaud Phenomenon
activation procedures should be AVOIDED in a patient with a recent intracranial hemorrhage? -
CORRECT ANSWER - Hyperventilation
What is the indentation between the nose and the forehead? - CORRECT ANSWER -
Nasion
BENIGN EPILEPTIFORM TRANSIENTS OF SLEEP - CORRECT ANSWER - peak at
30-60 years
Which of the following time constants would best display delta activity? - CORRECT
ANSWER - 1.0 second
STAGE N3 (STAGE 3/4) SLEEP - CORRECT ANSWER - 30% delta activity
Ictal - CORRECT ANSWER - During
What is the likely focus and the polarity of the sharply contoured wave in the box? - CORRECT
ANSWER - Fp1 Negative
Atonic seizure - CORRECT ANSWER - Loss of whole body muscle tone
MENINGITIS - CORRECT ANSWER - Nuchal rigidity
,Which mathematically converts the time function into a sine wave of different frequencies? -
CORRECT ANSWER - Fast Fourier Transform
PLEDS are most likely to be seen in a patient presenting with: - CORRECT ANSWER -
Cerebral embolus
Which normal waveform is NOT typically seen in the posterior leads? - CORRECT
ANSWER - Wickets
Which of the following is most useful in the evaluation of temporal lobe seizures? - CORRECT
ANSWER - Sleep EEG
The pattern which disappears at the youngest conceptional age is - CORRECT ANSWER -
delta brushes
At the onset of sleep, a 40-week conceptional age infant is most likely to enter into which of the
following stages of sleep? - CORRECT ANSWER - Active
Which of the following occurs during a typical absence seizure? - CORRECT ANSWER -
Impaired consciousness
A 9 mm deflection at a setting of 20 microvolts/mm will have an input signal of - CORRECT
ANSWER - 180 microvolts
Why is it not best practice to allow an outpatient to sleep throughout the entire EEG recording? -
CORRECT ANSWER - Unable to evaluate the patient\'s background rhythm
Which of the following is the most appropriate instrumentation setting change that should be
made in order to enhance cortical slowing? - CORRECT ANSWER - Change the LFF
from 1 Hz. To .1 Hz.
, Which of the following stimuli is most likely to be a trigger for Reflex Seizures? - CORRECT
ANSWER - Writing
What is a sub harmonic response to photic stimulation? - CORRECT ANSWER - Photic
driving at half the speed of the flash rate
Using the International 10-20 electrode placements, if the distance from Fp2 to F4 is 5.5 cm,
what is the distance from P4 to 02? - CORRECT ANSWER - 5.5 cm
Signals common to both inputs of a differential amplifier with like frequency, amplitude and
phase are: - CORRECT ANSWER - canceled
With rapidly increasing dosage, which of the following medications will have the most sedative
effect on the patient? - CORRECT ANSWER - Barbiturates
Photic light should be how far from a patient\'s eyes? - CORRECT ANSWER - 12 inches
A common electrographic correlate of a seizure: - CORRECT ANSWER - Rhythmic
activity
EMG artifacts time locked with the flash frequency of photic stimulation - CORRECT
ANSWER - Photomyogenic Response
When attempting to minimize relentless muscle artifact on a recording, the technologist should
be aware that lowering the high filter could cause the artifact to resemble: - CORRECT
ANSWER - beta activity.
Which of the following converts an analog signal into a series of digital binary numbers? -
CORRECT ANSWER - A/D Converter
Questions and CORRECT Answers
When the posterior background rhythm does not attenuate with eye opening it is referred to as: -
CORRECT ANSWER - Bancaud Phenomenon
activation procedures should be AVOIDED in a patient with a recent intracranial hemorrhage? -
CORRECT ANSWER - Hyperventilation
What is the indentation between the nose and the forehead? - CORRECT ANSWER -
Nasion
BENIGN EPILEPTIFORM TRANSIENTS OF SLEEP - CORRECT ANSWER - peak at
30-60 years
Which of the following time constants would best display delta activity? - CORRECT
ANSWER - 1.0 second
STAGE N3 (STAGE 3/4) SLEEP - CORRECT ANSWER - 30% delta activity
Ictal - CORRECT ANSWER - During
What is the likely focus and the polarity of the sharply contoured wave in the box? - CORRECT
ANSWER - Fp1 Negative
Atonic seizure - CORRECT ANSWER - Loss of whole body muscle tone
MENINGITIS - CORRECT ANSWER - Nuchal rigidity
,Which mathematically converts the time function into a sine wave of different frequencies? -
CORRECT ANSWER - Fast Fourier Transform
PLEDS are most likely to be seen in a patient presenting with: - CORRECT ANSWER -
Cerebral embolus
Which normal waveform is NOT typically seen in the posterior leads? - CORRECT
ANSWER - Wickets
Which of the following is most useful in the evaluation of temporal lobe seizures? - CORRECT
ANSWER - Sleep EEG
The pattern which disappears at the youngest conceptional age is - CORRECT ANSWER -
delta brushes
At the onset of sleep, a 40-week conceptional age infant is most likely to enter into which of the
following stages of sleep? - CORRECT ANSWER - Active
Which of the following occurs during a typical absence seizure? - CORRECT ANSWER -
Impaired consciousness
A 9 mm deflection at a setting of 20 microvolts/mm will have an input signal of - CORRECT
ANSWER - 180 microvolts
Why is it not best practice to allow an outpatient to sleep throughout the entire EEG recording? -
CORRECT ANSWER - Unable to evaluate the patient\'s background rhythm
Which of the following is the most appropriate instrumentation setting change that should be
made in order to enhance cortical slowing? - CORRECT ANSWER - Change the LFF
from 1 Hz. To .1 Hz.
, Which of the following stimuli is most likely to be a trigger for Reflex Seizures? - CORRECT
ANSWER - Writing
What is a sub harmonic response to photic stimulation? - CORRECT ANSWER - Photic
driving at half the speed of the flash rate
Using the International 10-20 electrode placements, if the distance from Fp2 to F4 is 5.5 cm,
what is the distance from P4 to 02? - CORRECT ANSWER - 5.5 cm
Signals common to both inputs of a differential amplifier with like frequency, amplitude and
phase are: - CORRECT ANSWER - canceled
With rapidly increasing dosage, which of the following medications will have the most sedative
effect on the patient? - CORRECT ANSWER - Barbiturates
Photic light should be how far from a patient\'s eyes? - CORRECT ANSWER - 12 inches
A common electrographic correlate of a seizure: - CORRECT ANSWER - Rhythmic
activity
EMG artifacts time locked with the flash frequency of photic stimulation - CORRECT
ANSWER - Photomyogenic Response
When attempting to minimize relentless muscle artifact on a recording, the technologist should
be aware that lowering the high filter could cause the artifact to resemble: - CORRECT
ANSWER - beta activity.
Which of the following converts an analog signal into a series of digital binary numbers? -
CORRECT ANSWER - A/D Converter
