ABRET EEG EXAM QUESTION BANK | 2025 COMPLETE
ABRET EEG ACCURATE REAL EXAM QUESTIONS WITH
DETAILED ANSWERS | ALREADY GRADED A+ |
GUARANTEED EXCELLENCE PASS
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
How would a 15Hz HFF affect 15Hz sleep spindles:
a. decrease amplitude by 30%
b. no change in amplitude
c. decrease amplitude by 70%
d. boost amplitude by 10% - ✔✔✔ Correct Answer > a. decrease amplitude by
30%
The substantia nigra is affected in what disorder?
a. Horner's
b. Amyotrophic Lateral Sclerosis (ALS)
c. Parkinsonism
,d. Meniere's Disease - ✔✔✔ Correct Answer > c. Parkinsonism
How much voltage would be recorded if 25uV beta activity is recorded using a LFF
of 1Hz:
a. 1uV
b. 7.5uV
c. 17.5uV
d. 25uV - ✔✔✔ Correct Answer > d. 25uV
In ________, old bone is broken down and replaced at a t faster rate than normal.
The new bone is larger, softer, weaker and more easily broken than normal bone.
This disease can affect any bones, including the skull, hip, pelvis and limbs.
a. Paget's Disease
b. Rasmussen's Syndrome
c. Reyes Syndrome
d. Sturge-Weber Syndrome - ✔✔✔ Correct Answer > a. Paget's Disease
Similar to Alzheimer's, ________ affects the frontal and temporal lobes first, with
earliest symptoms showing up as changes in personality, and decline in function
at home and at work.
a. Reyes Syndrome
b. Sturge-Weber Syndrome
c. Pick's Disease
d. Paget's Disease - ✔✔✔ Correct Answer > c. Pick's Disease
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 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?
ABRET EEG ACCURATE REAL EXAM QUESTIONS WITH
DETAILED ANSWERS | ALREADY GRADED A+ |
GUARANTEED EXCELLENCE PASS
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
How would a 15Hz HFF affect 15Hz sleep spindles:
a. decrease amplitude by 30%
b. no change in amplitude
c. decrease amplitude by 70%
d. boost amplitude by 10% - ✔✔✔ Correct Answer > a. decrease amplitude by
30%
The substantia nigra is affected in what disorder?
a. Horner's
b. Amyotrophic Lateral Sclerosis (ALS)
c. Parkinsonism
,d. Meniere's Disease - ✔✔✔ Correct Answer > c. Parkinsonism
How much voltage would be recorded if 25uV beta activity is recorded using a LFF
of 1Hz:
a. 1uV
b. 7.5uV
c. 17.5uV
d. 25uV - ✔✔✔ Correct Answer > d. 25uV
In ________, old bone is broken down and replaced at a t faster rate than normal.
The new bone is larger, softer, weaker and more easily broken than normal bone.
This disease can affect any bones, including the skull, hip, pelvis and limbs.
a. Paget's Disease
b. Rasmussen's Syndrome
c. Reyes Syndrome
d. Sturge-Weber Syndrome - ✔✔✔ Correct Answer > a. Paget's Disease
Similar to Alzheimer's, ________ affects the frontal and temporal lobes first, with
earliest symptoms showing up as changes in personality, and decline in function
at home and at work.
a. Reyes Syndrome
b. Sturge-Weber Syndrome
c. Pick's Disease
d. Paget's Disease - ✔✔✔ Correct Answer > c. Pick's Disease
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 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?
