ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. Ampere The basic unit for measuring current flow is...
a. atomic weight
b. Coulomb
c. Volt
d. Ampere
a. Ohm The basic unit of resistance is..
a. Ohm
b. Coulomb
c. Ampere
d.Volt
a. R = EI or (R = VI) Which of the following is NOT a valid expression for Ohm's law? (in the equation E
(electromotive force) is the same as voltage)
a. R = EI or (R = VI)
b. E = IR or (V = IR)
c. I = E/R or (I = V/R)
d. R = E/I or (R = V/I)
b. Volts Which of the following is not a unit for measuring alternating frequencies?
a. Cycles per second
b. Volts
c. Hertz
d. Kilocycles
d. stores energy Which of the following describes the action of a capacitor?
a. opposes changes in current flow
b. converts alternating current to direct current
c. creates a direct current resistance
d. stores energy
c. filter A circuit that allows some frequencies to pass through it, while others are blocked is
a..
a. resistor
b. transistor
c. filter
d. reactor
a. amplifier A combination of electronic components designed to increase power, voltage or
current of a signal
a. amplifier
b. line filter
c. master gain control
d. sensitivity
d. noise A. small fluctuating output recorded by and EEG instrument even when there is no
input signal is called..
a. output voltage
b. linear distortion
c. 60 Hz interference
d. noise
b. upward The EEG amplifier is designed so that when input 1 is more negative that input 2,
the deflection will be..
a. downward
b. upward
c. absent
d. sinusoidal
b. the characteristics of an amplifier that rejects external Common Mode rejection is..
interference a. the ability of an amplifier to cancel out ECG artifact
b. the characteristics of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlled by the 60- cycle notch filter
, ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. 0.1 Hz Which of the following is most attenuated by the low frequency filter of 1 Hz
a. 0.5 Hz
b. 5.0 Hz
c. 10.0 Hz
d. 0.1 Hz
d. the time required of the deflection to fall (decay) to 67% Time constant is defined as the time required ...
of the peak deflection a. for the deflection to fall (decay) to 47% of the peak deflection
b. for the deflection to fall (decay) to 57% of the peak deflection
c. for the deflection to fall (decay) 67% of the peak deflection
d. the time required of the deflection to fall (decay) to 67% of the peak deflection
a. spike 10 mm, wave 6 mm An EEG record has three per second spike/wave discharges. Both the spike and
the slow wave has voltages of 100 uv. If the discharge is recorded with a low
frequency filter of 5 Hz and a sensitivity of 10uv/mm what would the deflection of the
spike and the wave?
a. spike 10 mm, wave 6 mm
b. spike 6 mm, wave 10mm
c. spike 10 mm, wave 10mm
d. spike 6 mm, wave 6mm
c. 50% A high frequency setting of 35 Hz would attenuate 50 Hz muscle activity by
approximately what percentage?
a. 20%
b. 30%
c. 50%
d. 100%
b.between 25 and 35 mm/second horizontal scaling and a According to the ACNS guidelines, recording clinical EEG on digital media requires
MINIMUM of 100 data points/second to accurately display monitors to have..
EEG on the monitor screen a. between 25 and 35 mm/second horizontal scaling and a MAXIMUM of 1000 data
points/second to accurately display EEG on the monitor screen
b. between 25 and 35 mm/second horizontal scaling and a MINIMUM of 100 data
points/second to accurately display EEG on the monitor screen
c. between 25 and 35 mm/second horizontal scaling and a MAXIMUM of 100 data
points/second to accurately display EEG on the monitor screen
d. between 25 and 35 mm/second horizontal scaling and a MINIMUM of 1000 data
points/second to accurately display EEG on the monitor screen
b. LF 5.0 Hz and HF 15 Hz The filter creating a very narrow band pass that should rarely be used clinically are
..
a. LF 5.0 Hz and HF 70 Hz
b. LF 5.0 Hz and HF 15 Hz
c. LF 0.1 Hz and HF 70 Hz
d. LF 0.1 Hz and HF 15 Hz
a. no effect of the activity will be recorded During the recording of cerebral activity, the calibration input voltage is changed
forms 50 uv to 100uv. What will be the result?
a. no effect of the activity will be recorded
b. a two fold increase in amplitude
c. a one half reduction of amplitude
d. clipping of the waveform
b. 112 uv A spike is printed out on paper and measures 16 mm peak to peak, the sensitivity of
the instrument is 7uv/mm and a calibration signal of 50 uv causes a deflection of 7.1
mm. What is the voltage of the spike?
a. 1.2 uv
b. 112 uv
c. 12 uv
d. 24 uv
, ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. 200 uv What input voltage is necessary to give a calibration deflection between 5 and 10
mm if the sensitivity is 30 uv/mm?
a. 10 uv
b. 50 uv
c. 100 uv
d. 200 uv
b. three According to the ACNS guidelines 2006, the minimum sampling rate for EEG data,
should be at least _____ times the highest frequency filter setting
a. two
b. three
c. four
d. ten
d. 10 Hz In a record with 10 Hz alpha activity. When the display epoch changed form 10
seconds per display screen to 20 seconds per display screen, the frequency of the
activity will be..
a. 5 Hz
b. 15 Hz
c. 20 Hz
d. 10 Hz
b. decreased low frequency filter (look in study guide Channel A in the figure above has been recorded utilizing standard instrumentation
images) settings. arhat instrument change has been made to channel B?
a. display epoch length
b. decrease low frequency filter
c. increased high frequency filter
d. sensitivity
c. The American Clinical Neurophysiology Society (ACNS) Guidelines for recording digital EEG are written by:
a. the American Society of Electroneurodiagnostic Technologists (ASET
b. the American Academy of Neurology (AAN)
c. The American Clinical Neurophysiology Society (ACNS)
d. The Organization go Societies of Electrophysiological Technology (OSET)
d. temporary memory storage that is critical to rapid The term RAM means:
computer operations a. read only memory used for archiving data
b. The amount of data that can be stored on a rewritable CD
c. The amount of data that can be stored on a DVD
d. temporary memory storage that is critical to rapid computer operations
d. serial, parallel and USB Three basic computer ports are:
a. intranet, internet, and extranet
b. internal, external, and Bifid
c. serial, paradoxical, and US
d. serial, parallel and USB
b. silver- silver chloride, platinum or gold The best metals for clinical EEG recordings are..
a. gold plated lead, nickel and silver
b. silver- silver chloride, platinum or gold
c. tin, copper, or silver- silver chloride
d. stainless steel, platinum, or silver
b. subdermal Which electrodes do NOT record directly from the brain?
a. depth
b. subdermal
c. subdural
d. epidural
, ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. opposition to alternating current flow Which of the following is NOT related to measuring electrode resistance?
a. opposition to direct current flow
b. measurement while the electrode is unattached to the scalp
c. measurement with an ohmmeter
d. opposition to alternating current flow
a. 34 mm The distance from CZ to PZ is 6.8cm. What is the distance from nation to inion?
a. 34 mm
b. 35 mm
c. 36 mm
d. 37 mm
a. T1 or F9 The electrode site that is located 1 cm above, one third the distance out from the left
external auditory meatus toward the left outer canthus is called ____.
a. T1 or F9
b. F7orF8
c. F5
d. LOC
a. relocate C3 4 mm anteriorly Due to a central scalp lesion, C4 has to be relocated 4 mm anteriorly. The
technologist should ____.
a. relocate C3 4 mm anteriorly
b. make no other placement changes
c. relocate P3 4 mm anteriorly
d. relocate all electrodes in the right parasagittal plane 4 mm anteriorly.
c. amplitude In a referential montage, how is the origin of the potential determined?
a. morphology
b. phase reversal
c. amplitude
d. polarity
b. A1 and negative In the illustration above, which electrode is active and what is the polarity?
a. F7 and negative
b. A1 and negative
c. F8 and negative
d. F4 and positive
d. not all equipment attached to the patient is connected to A patient can become the pathway for least resistance and therefore electrically
a common ground. susceptible to shock when ____.
a. the recording instrument is turned on.
b. the electrode test is utilized
c. depth electrodes are used
d. not all equipment attached to the patient is connected to a common ground.
d. mainly horizontal eye movements Eye leads placed at the outer canthus of each eye will record ____.
a. all eye movements
b. horizontal and vertical eye movements
c. only vertical eye movements
d. mainly horizontal eye movements
c. 60 Hz interference Which of the following is not a physiological artifact?
a. perspiration
b. glossokinetic response
c. 60 Hz interference
d. eye movement
c. intravenous drip Which of the following is not a source of 60 Hz interference?
a. other equipment in the room
b. faulty ground connection
c. intravenous drip
d. defects in the power supply
d. Ampere The basic unit for measuring current flow is...
a. atomic weight
b. Coulomb
c. Volt
d. Ampere
a. Ohm The basic unit of resistance is..
a. Ohm
b. Coulomb
c. Ampere
d.Volt
a. R = EI or (R = VI) Which of the following is NOT a valid expression for Ohm's law? (in the equation E
(electromotive force) is the same as voltage)
a. R = EI or (R = VI)
b. E = IR or (V = IR)
c. I = E/R or (I = V/R)
d. R = E/I or (R = V/I)
b. Volts Which of the following is not a unit for measuring alternating frequencies?
a. Cycles per second
b. Volts
c. Hertz
d. Kilocycles
d. stores energy Which of the following describes the action of a capacitor?
a. opposes changes in current flow
b. converts alternating current to direct current
c. creates a direct current resistance
d. stores energy
c. filter A circuit that allows some frequencies to pass through it, while others are blocked is
a..
a. resistor
b. transistor
c. filter
d. reactor
a. amplifier A combination of electronic components designed to increase power, voltage or
current of a signal
a. amplifier
b. line filter
c. master gain control
d. sensitivity
d. noise A. small fluctuating output recorded by and EEG instrument even when there is no
input signal is called..
a. output voltage
b. linear distortion
c. 60 Hz interference
d. noise
b. upward The EEG amplifier is designed so that when input 1 is more negative that input 2,
the deflection will be..
a. downward
b. upward
c. absent
d. sinusoidal
b. the characteristics of an amplifier that rejects external Common Mode rejection is..
interference a. the ability of an amplifier to cancel out ECG artifact
b. the characteristics of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlled by the 60- cycle notch filter
, ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. 0.1 Hz Which of the following is most attenuated by the low frequency filter of 1 Hz
a. 0.5 Hz
b. 5.0 Hz
c. 10.0 Hz
d. 0.1 Hz
d. the time required of the deflection to fall (decay) to 67% Time constant is defined as the time required ...
of the peak deflection a. for the deflection to fall (decay) to 47% of the peak deflection
b. for the deflection to fall (decay) to 57% of the peak deflection
c. for the deflection to fall (decay) 67% of the peak deflection
d. the time required of the deflection to fall (decay) to 67% of the peak deflection
a. spike 10 mm, wave 6 mm An EEG record has three per second spike/wave discharges. Both the spike and
the slow wave has voltages of 100 uv. If the discharge is recorded with a low
frequency filter of 5 Hz and a sensitivity of 10uv/mm what would the deflection of the
spike and the wave?
a. spike 10 mm, wave 6 mm
b. spike 6 mm, wave 10mm
c. spike 10 mm, wave 10mm
d. spike 6 mm, wave 6mm
c. 50% A high frequency setting of 35 Hz would attenuate 50 Hz muscle activity by
approximately what percentage?
a. 20%
b. 30%
c. 50%
d. 100%
b.between 25 and 35 mm/second horizontal scaling and a According to the ACNS guidelines, recording clinical EEG on digital media requires
MINIMUM of 100 data points/second to accurately display monitors to have..
EEG on the monitor screen a. between 25 and 35 mm/second horizontal scaling and a MAXIMUM of 1000 data
points/second to accurately display EEG on the monitor screen
b. between 25 and 35 mm/second horizontal scaling and a MINIMUM of 100 data
points/second to accurately display EEG on the monitor screen
c. between 25 and 35 mm/second horizontal scaling and a MAXIMUM of 100 data
points/second to accurately display EEG on the monitor screen
d. between 25 and 35 mm/second horizontal scaling and a MINIMUM of 1000 data
points/second to accurately display EEG on the monitor screen
b. LF 5.0 Hz and HF 15 Hz The filter creating a very narrow band pass that should rarely be used clinically are
..
a. LF 5.0 Hz and HF 70 Hz
b. LF 5.0 Hz and HF 15 Hz
c. LF 0.1 Hz and HF 70 Hz
d. LF 0.1 Hz and HF 15 Hz
a. no effect of the activity will be recorded During the recording of cerebral activity, the calibration input voltage is changed
forms 50 uv to 100uv. What will be the result?
a. no effect of the activity will be recorded
b. a two fold increase in amplitude
c. a one half reduction of amplitude
d. clipping of the waveform
b. 112 uv A spike is printed out on paper and measures 16 mm peak to peak, the sensitivity of
the instrument is 7uv/mm and a calibration signal of 50 uv causes a deflection of 7.1
mm. What is the voltage of the spike?
a. 1.2 uv
b. 112 uv
c. 12 uv
d. 24 uv
, ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. 200 uv What input voltage is necessary to give a calibration deflection between 5 and 10
mm if the sensitivity is 30 uv/mm?
a. 10 uv
b. 50 uv
c. 100 uv
d. 200 uv
b. three According to the ACNS guidelines 2006, the minimum sampling rate for EEG data,
should be at least _____ times the highest frequency filter setting
a. two
b. three
c. four
d. ten
d. 10 Hz In a record with 10 Hz alpha activity. When the display epoch changed form 10
seconds per display screen to 20 seconds per display screen, the frequency of the
activity will be..
a. 5 Hz
b. 15 Hz
c. 20 Hz
d. 10 Hz
b. decreased low frequency filter (look in study guide Channel A in the figure above has been recorded utilizing standard instrumentation
images) settings. arhat instrument change has been made to channel B?
a. display epoch length
b. decrease low frequency filter
c. increased high frequency filter
d. sensitivity
c. The American Clinical Neurophysiology Society (ACNS) Guidelines for recording digital EEG are written by:
a. the American Society of Electroneurodiagnostic Technologists (ASET
b. the American Academy of Neurology (AAN)
c. The American Clinical Neurophysiology Society (ACNS)
d. The Organization go Societies of Electrophysiological Technology (OSET)
d. temporary memory storage that is critical to rapid The term RAM means:
computer operations a. read only memory used for archiving data
b. The amount of data that can be stored on a rewritable CD
c. The amount of data that can be stored on a DVD
d. temporary memory storage that is critical to rapid computer operations
d. serial, parallel and USB Three basic computer ports are:
a. intranet, internet, and extranet
b. internal, external, and Bifid
c. serial, paradoxical, and US
d. serial, parallel and USB
b. silver- silver chloride, platinum or gold The best metals for clinical EEG recordings are..
a. gold plated lead, nickel and silver
b. silver- silver chloride, platinum or gold
c. tin, copper, or silver- silver chloride
d. stainless steel, platinum, or silver
b. subdermal Which electrodes do NOT record directly from the brain?
a. depth
b. subdermal
c. subdural
d. epidural
, ASET EEG Boards Study Guide | Practice Questions & Answers | 2026-2027
d. opposition to alternating current flow Which of the following is NOT related to measuring electrode resistance?
a. opposition to direct current flow
b. measurement while the electrode is unattached to the scalp
c. measurement with an ohmmeter
d. opposition to alternating current flow
a. 34 mm The distance from CZ to PZ is 6.8cm. What is the distance from nation to inion?
a. 34 mm
b. 35 mm
c. 36 mm
d. 37 mm
a. T1 or F9 The electrode site that is located 1 cm above, one third the distance out from the left
external auditory meatus toward the left outer canthus is called ____.
a. T1 or F9
b. F7orF8
c. F5
d. LOC
a. relocate C3 4 mm anteriorly Due to a central scalp lesion, C4 has to be relocated 4 mm anteriorly. The
technologist should ____.
a. relocate C3 4 mm anteriorly
b. make no other placement changes
c. relocate P3 4 mm anteriorly
d. relocate all electrodes in the right parasagittal plane 4 mm anteriorly.
c. amplitude In a referential montage, how is the origin of the potential determined?
a. morphology
b. phase reversal
c. amplitude
d. polarity
b. A1 and negative In the illustration above, which electrode is active and what is the polarity?
a. F7 and negative
b. A1 and negative
c. F8 and negative
d. F4 and positive
d. not all equipment attached to the patient is connected to A patient can become the pathway for least resistance and therefore electrically
a common ground. susceptible to shock when ____.
a. the recording instrument is turned on.
b. the electrode test is utilized
c. depth electrodes are used
d. not all equipment attached to the patient is connected to a common ground.
d. mainly horizontal eye movements Eye leads placed at the outer canthus of each eye will record ____.
a. all eye movements
b. horizontal and vertical eye movements
c. only vertical eye movements
d. mainly horizontal eye movements
c. 60 Hz interference Which of the following is not a physiological artifact?
a. perspiration
b. glossokinetic response
c. 60 Hz interference
d. eye movement
c. intravenous drip Which of the following is not a source of 60 Hz interference?
a. other equipment in the room
b. faulty ground connection
c. intravenous drip
d. defects in the power supply
