BRPT Exam Prep questions with verified
answers
______ describes the period or the width of a wave Ans✓✓✓
frequency
_______ describes the height or voltage of a wave Ans✓✓✓ amplitude
A 3 Hz input signal is applied to an amplifier with an LFF setting of 10 Hz
and an HFF setting of 35 Hz. Which of the following MOST closely
represents the output amplitude relative to the input voltage?
a. <80%
b. 100%
c. 80%
d. >80% Ans✓✓✓ a. <80%
A 3 Hz sine wave calibration signal with an input voltage of 100 uV is
applied to an amplifier. The output signal is what would be expected for
an 80 uV input signal. Which of the following is the MOST likely LFF
setting?
a. 0.3 Hz
b. 3 Hz
c. 1 Hz
d. 10 Hz Ans✓✓✓ b. 3 Hz
,A 3-Hz sine-wave calibration signal with an input voltage of 100 uV is
applied to an amplifier. The output signal is what would be expected for
an 80 uV input signal. Which of the following is the MOST likely LFF
setting?
a. 0.3 Hz
b. 3 Hz
c. 10 Hz
d. 1 Hz Ans✓✓✓ b. 3 Hz
A 30-Hz input signal is applied to an amplifier with an LFF setting of 10
Hz and an HFF setting of 35 Hz. Which of the following MOST closely
represents the output amplitude relative to the original input?
a. 20%
b. <80%
c. >80%
d. 80% Ans✓✓✓ c. >80%
A bipolar derivation utilizes which of the following?
a. 1 electrode that overlies an electrically active area
b. 1 electrode over an active and 1 over an inactive area
c. 2 electrodes that overlie an electrically inactive area
d. 2 electrodes that overlie an electrically active area Ans✓✓✓ d. 2
electrodes that overlie an electrically active area
,A change of the sensitivity control setting to a higher number will result
in a(n) ____ in amplitude of the ____ signal.
a. increase; output
b. increase; input
c. decrease; output
d. decrease; input Ans✓✓✓ c. decrease; output
A commonly slow-frequency artifact may appear synchronous with the
patient's:
a. eyeblinks
b. ECG
c. breathing patterns
d. periodic leg movements Ans✓✓✓ c. breathing patterns
A DC amplifier is used to:
a. enhance resolution of high frequencies
b. amplify rapidly changing signals
c. record constant or slowing changing signals
d. process and filter low frequencies Ans✓✓✓ c. record constant or
slowing changing signals
A DC amplifier:
, a. has a short time constant
b. facilitates recording of fast frequencies
c. facilitates recording of slow frequencies
d. attenuates slow frequencies Ans✓✓✓ c. facilitates recording of slow
frequencies
A decay time constant of approximately 1 second corresponds to which
of the following settings?
a. HFF 10 Hz
b. HFF 1 Hz
c. LFF 0.1 Hz
d. LFF 1 Hz Ans✓✓✓ c. LFF 0.1 Hz
A device used to monitor respiratory airflow is a:
a. pulse oximeter
b. modified lead ii
c. thermocouple
d. piezo-electric band Ans✓✓✓ c. thermocouple
A ground loop may occur when:
a. the patient is attached to more than one diagnostic device, each with
its own patient ground connection
b. An exploring electrode is referenced to a ground electrode
answers
______ describes the period or the width of a wave Ans✓✓✓
frequency
_______ describes the height or voltage of a wave Ans✓✓✓ amplitude
A 3 Hz input signal is applied to an amplifier with an LFF setting of 10 Hz
and an HFF setting of 35 Hz. Which of the following MOST closely
represents the output amplitude relative to the input voltage?
a. <80%
b. 100%
c. 80%
d. >80% Ans✓✓✓ a. <80%
A 3 Hz sine wave calibration signal with an input voltage of 100 uV is
applied to an amplifier. The output signal is what would be expected for
an 80 uV input signal. Which of the following is the MOST likely LFF
setting?
a. 0.3 Hz
b. 3 Hz
c. 1 Hz
d. 10 Hz Ans✓✓✓ b. 3 Hz
,A 3-Hz sine-wave calibration signal with an input voltage of 100 uV is
applied to an amplifier. The output signal is what would be expected for
an 80 uV input signal. Which of the following is the MOST likely LFF
setting?
a. 0.3 Hz
b. 3 Hz
c. 10 Hz
d. 1 Hz Ans✓✓✓ b. 3 Hz
A 30-Hz input signal is applied to an amplifier with an LFF setting of 10
Hz and an HFF setting of 35 Hz. Which of the following MOST closely
represents the output amplitude relative to the original input?
a. 20%
b. <80%
c. >80%
d. 80% Ans✓✓✓ c. >80%
A bipolar derivation utilizes which of the following?
a. 1 electrode that overlies an electrically active area
b. 1 electrode over an active and 1 over an inactive area
c. 2 electrodes that overlie an electrically inactive area
d. 2 electrodes that overlie an electrically active area Ans✓✓✓ d. 2
electrodes that overlie an electrically active area
,A change of the sensitivity control setting to a higher number will result
in a(n) ____ in amplitude of the ____ signal.
a. increase; output
b. increase; input
c. decrease; output
d. decrease; input Ans✓✓✓ c. decrease; output
A commonly slow-frequency artifact may appear synchronous with the
patient's:
a. eyeblinks
b. ECG
c. breathing patterns
d. periodic leg movements Ans✓✓✓ c. breathing patterns
A DC amplifier is used to:
a. enhance resolution of high frequencies
b. amplify rapidly changing signals
c. record constant or slowing changing signals
d. process and filter low frequencies Ans✓✓✓ c. record constant or
slowing changing signals
A DC amplifier:
, a. has a short time constant
b. facilitates recording of fast frequencies
c. facilitates recording of slow frequencies
d. attenuates slow frequencies Ans✓✓✓ c. facilitates recording of slow
frequencies
A decay time constant of approximately 1 second corresponds to which
of the following settings?
a. HFF 10 Hz
b. HFF 1 Hz
c. LFF 0.1 Hz
d. LFF 1 Hz Ans✓✓✓ c. LFF 0.1 Hz
A device used to monitor respiratory airflow is a:
a. pulse oximeter
b. modified lead ii
c. thermocouple
d. piezo-electric band Ans✓✓✓ c. thermocouple
A ground loop may occur when:
a. the patient is attached to more than one diagnostic device, each with
its own patient ground connection
b. An exploring electrode is referenced to a ground electrode
