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BRPT Practice Questions and Answers
Latest 2026
What is the preferred maximum electrode impedance?
Ans: 5
Sampling rate for EEG, EOG, EMG, ECG, and the shore
channel is... Ans: 200-500Hz
The sampling rate for esophageal pressure and nasal
pressure is... Ans: 25-100 Hz
What is the low and high frequency filter preference for
EEG and EOG? Ans: 0.3-35 Hz
What is the low and high frequency filter preference for
EMG? Ans: 10-100Hz
What is the low and high frequency filter preference for
ECG? Ans: 0.3-70 Hz
what two devices mainly use DC settings? Ans: nasal
pressure and pap device flow
what tool can help you look for what is causing artifact
on a PSG? Ans: electrode impedances
when do you not do all biocalibrations? Ans: if patient is
unable to fully understand or communicate
© 2025 All rights reserved
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when is biocalibrations done? Ans: before and after the
study
what is the most common form or artifact in Hz? Ans:
60
which electrode is commonly used in recommended EEG
derivations? Ans: M1
what is the measurement system for electrode
placement? Ans: 10-20
what is the minimum amount of EEG channels used to
stage sleep? Ans: 6
what are the 3 main types of EEG channels? Ans: frontal,
central and occipital
as you go around the head, when measuring, what is the
percentages each measurement? Ans: 20%
as you go from the front to the back of the head, when
measuring, what is the percentages each measurement?
Ans: 20%
M1 and M2 are on what muscle on the head? Ans:
mastoid
To measure the placement for M1 and M2, how far do
you go up from the pre-aricular points? Ans: 10%
O1 and O2 are __ % away from the inion. Ans: 10
© 2025 All rights reserved
BRPT Practice Questions and Answers
Latest 2026
What is the preferred maximum electrode impedance?
Ans: 5
Sampling rate for EEG, EOG, EMG, ECG, and the shore
channel is... Ans: 200-500Hz
The sampling rate for esophageal pressure and nasal
pressure is... Ans: 25-100 Hz
What is the low and high frequency filter preference for
EEG and EOG? Ans: 0.3-35 Hz
What is the low and high frequency filter preference for
EMG? Ans: 10-100Hz
What is the low and high frequency filter preference for
ECG? Ans: 0.3-70 Hz
what two devices mainly use DC settings? Ans: nasal
pressure and pap device flow
what tool can help you look for what is causing artifact
on a PSG? Ans: electrode impedances
when do you not do all biocalibrations? Ans: if patient is
unable to fully understand or communicate
© 2025 All rights reserved
, 2 | Page
when is biocalibrations done? Ans: before and after the
study
what is the most common form or artifact in Hz? Ans:
60
which electrode is commonly used in recommended EEG
derivations? Ans: M1
what is the measurement system for electrode
placement? Ans: 10-20
what is the minimum amount of EEG channels used to
stage sleep? Ans: 6
what are the 3 main types of EEG channels? Ans: frontal,
central and occipital
as you go around the head, when measuring, what is the
percentages each measurement? Ans: 20%
as you go from the front to the back of the head, when
measuring, what is the percentages each measurement?
Ans: 20%
M1 and M2 are on what muscle on the head? Ans:
mastoid
To measure the placement for M1 and M2, how far do
you go up from the pre-aricular points? Ans: 10%
O1 and O2 are __ % away from the inion. Ans: 10
© 2025 All rights reserved
