EEG Board Exam Question and Answer
(2026/2027) | Simplified Review Guide |
100% Verified Answers
• The basic unit for measuring current flow is:
a. atomic weight
b. Coulomb
c. Volt
d. Ampere . CORRECT ANSWER: d. ampere
• The basic unit of resistance is:
a. Ohm
b. Coulomb
c. Ampere
d. Volt . CORRECT ANSWER: a. ohm
• Which of the following is NOT a valid expression of Ohm's Law:
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) . CORRECT ANSWER: a. R=EI or (R=VI)
• Which of the following is NOT a unit for measuring alternating frequencies:
a. cycles per second
b. volts
c. hertz
d. kilocycles . CORRECT ANSWER: b. volts
• Which of the following describes the action of a capacitor?
a. opposes changes in current flow
b. converts A/C to D/C
c. creates a direct current resistance
d. stores energy . CORRECT ANSWER: d. stores energy
• A circuit that allows some frequencies to pass through it, while others are blocked is a:
a. resistor
b. transistor
c. filter
d. reactor . CORRECT ANSWER: c. filter
• A combination of electronic components designed to increase the power, voltage or
current of a signal:
a. amplifier
b. line filter
,c. master gain control
d. sensitivity . CORRECT ANSWER: a. amplifier
• A small fluctuating output recorded by the EEG instrument even when there is no input
signal is called:
a. output voltage
b. linear distortion
c. 60Hz interference
d. noise . CORRECT ANSWER: d. noise
• The EEG amplifier is designed so that when input 1 is more negative than input 2, the
deflection will be . CORRECT ANSWER: upward
• Common mode rejection is:
a. the ability of an amplifier to cancel out ECG artifact
b. the characteristic of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlle by the 60-cycle notch filter . CORRECT ANSWER: b. the characteristic of
an amplifier that rejects external interference
• Which of the following is most attenuated by a low frequency filter of 1 Hz?
a. 0.5 Hz
b. 5.0 Hz
c. 10.0 Hz
d. 0.1 Hz . CORRECT ANSWER: d. 0.1 Hz
• Time constant is defined as the time required for the deflection to fall (decay):
a. to 47% of the peak deflection
b. 57% of the peak deflection
c. 77% of the peak deflection
d. to 37% of the peak deflection . CORRECT ANSWER: d. to 37% of the peak
deflection
• An EEG record has 3/sec spike & wave discharges. Both the spike and the slow wave
have voltages of 100uV. If this discharge is recorded with a LFF of 5Hz and a sensitivity
of 10uV/mm, what would be the deflection of the spike and the wave?
a. spike 10mm & wave 6mm
b. spike 6mm & wave 10mm
c. spike 10mm & wave 10mm
d. spike 6mm & wave 6mm . CORRECT ANSWER: a. spike 10mm wave 6mm
• A high frequency setting of 35Hz would attenuate 50Hz muscle activity by
approximately what percentage:
a. 10%
b. 20%
c. 40%
,d. 100% . CORRECT ANSWER: c. 40%
• According to ACNS Guidelines, Recording on Clinical EEG on Digital Media requires
monitors to have between 25 & 35mm/second horizontal scaling and a:
a. maximum of 1,000 data points/second to accurately display EEG on the monitor
screen
b. minimum of 100 data points/second to accurately display EEG on the monitor screen
c. maximum of 100 data points/second to accurately display EEG on the monitor screen
d. minimum of 1,000 data points/second to accurately display EEG on the monitor
screen . CORRECT ANSWER: b. MINIMUM of 100 data points/second to accurately
display EEG on the monitor screen
• The filters creating a very narrow band pass that should RARELY be used clinically
are:
a. LFF 5.0Hz & HFF 70Hz
b. LFF 5.0Hz & HFF 15Hz
c. LFF 0.1Hz & HFF 70Hz
d. LFF 0.1Hz & HFF 15Hz . CORRECT ANSWER: b. LFF 5.0Hz & HFF 15Hz
• During the recording of cerebral activity, the calibration input voltage is changed from
50uV to 100uV...what will be the result?
a. no effect on the activity being recorded
b. a two-fold increase in amplitude
c. a one-half reduction of amplitude
d. clipping of the waveform . CORRECT ANSWER: a. no effect on the activity being
recorded
• A spike is printed out on paper and measures 16mm peak to peak, the sensitivity of
the instrument is 7uV/mm and a calibration signal of 50uV causes a deflection of
7.1mm...what is the voltage of the spike?
a. 1.2uV
b. 112uV
c. 12uV
d. 24uV . CORRECT ANSWER: b. 112uV
• What input voltage is necessary to give a calibration deflection between 5 and 10mm if
the sensitivity is 30uV/mm?
a. 10uV
b. 50uV
c. 100uV
d. 200uV . CORRECT ANSWER: d. 200uV
• According to the ACNS Guidelines 2006, the minimum sampling rate for EEG data,
should be at least how many times the highest HFF setting:
a. two
b. three
, c. four
d. ten . CORRECT ANSWER: b. three
• In a record with 10Hz alpha activity, when the display epoch is changed from 10
seconds/display screen to 20 seconds/display screen, the frequency of the activity will
be:
a. 5Hz
b. 15Hz
c. 20Hz
d. 10Hz . CORRECT ANSWER: d. 10 Hz
• In a DC calibration wave, if in channel-B compared to channel-A, is "slower", what
instrument change would have been made to channel B:
a. display epoch length
b. decrease LFF
c. increase HFF
d. sensitivity . CORRECT ANSWER: b. decrease LFF
• Guidelines for recording digital EEG are written by:
a. the American Society of Electroneurodiagnostic Technologist (ASET)
b. the American Academy of Neurology (AAN)
c. the American Clinical Neurophysiology Society (ACNS)
d. the Organization of Societies of Electrophysiological Technology (OSET) .
CORRECT ANSWER: c. the American Clinical Neurophysiology Society (ACNS)
• The term RAM means:
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 . CORRECT
ANSWER: d. temporary memory storage that is critical to rapid computer operations
• Three basic computer PORTS are:
a. intranet, internet & extranet
b. internal, external & bifid
c. serial, paradoxical & US
d. serial, parallel & USB . CORRECT ANSWER: d. serial, parallel & USB
• The best metals for clinical EEG recording are:
a. gold-plated lead, nickel or silver
b. silver-silver chloride, platinum or gold
c. tin, copper, or silver-silver chloride
d. stainless steel, platinum or silver . CORRECT ANSWER: b. silver-silver chloride,
platinum or gold
• Which electrodes do NOT record directly from the brain?
(2026/2027) | Simplified Review Guide |
100% Verified Answers
• The basic unit for measuring current flow is:
a. atomic weight
b. Coulomb
c. Volt
d. Ampere . CORRECT ANSWER: d. ampere
• The basic unit of resistance is:
a. Ohm
b. Coulomb
c. Ampere
d. Volt . CORRECT ANSWER: a. ohm
• Which of the following is NOT a valid expression of Ohm's Law:
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) . CORRECT ANSWER: a. R=EI or (R=VI)
• Which of the following is NOT a unit for measuring alternating frequencies:
a. cycles per second
b. volts
c. hertz
d. kilocycles . CORRECT ANSWER: b. volts
• Which of the following describes the action of a capacitor?
a. opposes changes in current flow
b. converts A/C to D/C
c. creates a direct current resistance
d. stores energy . CORRECT ANSWER: d. stores energy
• A circuit that allows some frequencies to pass through it, while others are blocked is a:
a. resistor
b. transistor
c. filter
d. reactor . CORRECT ANSWER: c. filter
• A combination of electronic components designed to increase the power, voltage or
current of a signal:
a. amplifier
b. line filter
,c. master gain control
d. sensitivity . CORRECT ANSWER: a. amplifier
• A small fluctuating output recorded by the EEG instrument even when there is no input
signal is called:
a. output voltage
b. linear distortion
c. 60Hz interference
d. noise . CORRECT ANSWER: d. noise
• The EEG amplifier is designed so that when input 1 is more negative than input 2, the
deflection will be . CORRECT ANSWER: upward
• Common mode rejection is:
a. the ability of an amplifier to cancel out ECG artifact
b. the characteristic of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlle by the 60-cycle notch filter . CORRECT ANSWER: b. the characteristic of
an amplifier that rejects external interference
• Which of the following is most attenuated by a low frequency filter of 1 Hz?
a. 0.5 Hz
b. 5.0 Hz
c. 10.0 Hz
d. 0.1 Hz . CORRECT ANSWER: d. 0.1 Hz
• Time constant is defined as the time required for the deflection to fall (decay):
a. to 47% of the peak deflection
b. 57% of the peak deflection
c. 77% of the peak deflection
d. to 37% of the peak deflection . CORRECT ANSWER: d. to 37% of the peak
deflection
• An EEG record has 3/sec spike & wave discharges. Both the spike and the slow wave
have voltages of 100uV. If this discharge is recorded with a LFF of 5Hz and a sensitivity
of 10uV/mm, what would be the deflection of the spike and the wave?
a. spike 10mm & wave 6mm
b. spike 6mm & wave 10mm
c. spike 10mm & wave 10mm
d. spike 6mm & wave 6mm . CORRECT ANSWER: a. spike 10mm wave 6mm
• A high frequency setting of 35Hz would attenuate 50Hz muscle activity by
approximately what percentage:
a. 10%
b. 20%
c. 40%
,d. 100% . CORRECT ANSWER: c. 40%
• According to ACNS Guidelines, Recording on Clinical EEG on Digital Media requires
monitors to have between 25 & 35mm/second horizontal scaling and a:
a. maximum of 1,000 data points/second to accurately display EEG on the monitor
screen
b. minimum of 100 data points/second to accurately display EEG on the monitor screen
c. maximum of 100 data points/second to accurately display EEG on the monitor screen
d. minimum of 1,000 data points/second to accurately display EEG on the monitor
screen . CORRECT ANSWER: b. MINIMUM of 100 data points/second to accurately
display EEG on the monitor screen
• The filters creating a very narrow band pass that should RARELY be used clinically
are:
a. LFF 5.0Hz & HFF 70Hz
b. LFF 5.0Hz & HFF 15Hz
c. LFF 0.1Hz & HFF 70Hz
d. LFF 0.1Hz & HFF 15Hz . CORRECT ANSWER: b. LFF 5.0Hz & HFF 15Hz
• During the recording of cerebral activity, the calibration input voltage is changed from
50uV to 100uV...what will be the result?
a. no effect on the activity being recorded
b. a two-fold increase in amplitude
c. a one-half reduction of amplitude
d. clipping of the waveform . CORRECT ANSWER: a. no effect on the activity being
recorded
• A spike is printed out on paper and measures 16mm peak to peak, the sensitivity of
the instrument is 7uV/mm and a calibration signal of 50uV causes a deflection of
7.1mm...what is the voltage of the spike?
a. 1.2uV
b. 112uV
c. 12uV
d. 24uV . CORRECT ANSWER: b. 112uV
• What input voltage is necessary to give a calibration deflection between 5 and 10mm if
the sensitivity is 30uV/mm?
a. 10uV
b. 50uV
c. 100uV
d. 200uV . CORRECT ANSWER: d. 200uV
• According to the ACNS Guidelines 2006, the minimum sampling rate for EEG data,
should be at least how many times the highest HFF setting:
a. two
b. three
, c. four
d. ten . CORRECT ANSWER: b. three
• In a record with 10Hz alpha activity, when the display epoch is changed from 10
seconds/display screen to 20 seconds/display screen, the frequency of the activity will
be:
a. 5Hz
b. 15Hz
c. 20Hz
d. 10Hz . CORRECT ANSWER: d. 10 Hz
• In a DC calibration wave, if in channel-B compared to channel-A, is "slower", what
instrument change would have been made to channel B:
a. display epoch length
b. decrease LFF
c. increase HFF
d. sensitivity . CORRECT ANSWER: b. decrease LFF
• Guidelines for recording digital EEG are written by:
a. the American Society of Electroneurodiagnostic Technologist (ASET)
b. the American Academy of Neurology (AAN)
c. the American Clinical Neurophysiology Society (ACNS)
d. the Organization of Societies of Electrophysiological Technology (OSET) .
CORRECT ANSWER: c. the American Clinical Neurophysiology Society (ACNS)
• The term RAM means:
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 . CORRECT
ANSWER: d. temporary memory storage that is critical to rapid computer operations
• Three basic computer PORTS are:
a. intranet, internet & extranet
b. internal, external & bifid
c. serial, paradoxical & US
d. serial, parallel & USB . CORRECT ANSWER: d. serial, parallel & USB
• The best metals for clinical EEG recording are:
a. gold-plated lead, nickel or silver
b. silver-silver chloride, platinum or gold
c. tin, copper, or silver-silver chloride
d. stainless steel, platinum or silver . CORRECT ANSWER: b. silver-silver chloride,
platinum or gold
• Which electrodes do NOT record directly from the brain?
