RPSGT (NQ) || Graded A+ Already.
Eliminating undesired slow frequencies correct answers What is the purpose of the Low
Frequency Filter?
-50uV correct answers If G1 receives a signal of -100uV at the same time G2 receives a signal of
-50uv, what is the output signal?
Move toward each other correct answers The E2 electrode is placed out and up from the outer
canthus of the right eye, and E1 is placed out and down from the outer canthus of the left eye. If
the E2 channel on the polysomnograph is channel 4, and E1 is channel 5, what will the waves on
these channels do when the patient looks up?
Can be determined by counting the number of waveforms recorded during one second correct
answers The frequency of an EEG signal
By comparing the height of the waveform against a calibration signal if known value correct
answers How is the amplitude of a wave determined?
To attenuate undesirable fast frequencies correct answers The purpose of a high frequency filter
is
The ratio of input signal voltage to the amplitude of the pen deflection correct answers In
polysomnography, what is the sensitivity setting?
LFF = .1Hz, HFF = .5Hz correct answers Which of the following filter settings should be used
for recording airflow and respiratory effort?
The 1Hz setting will decrease the amplitude of slow waves correct answers If the low frequency
filter is increased from 0.3Hz to 1Hz in an EEG channel, how will this affect the recording?
8-13 Hz correct answers Alpha
13-30 Hz correct answers Beta
0.5-4 Hz correct answers Delta
4-7 Hz correct answers Theta
the impedances of input electrodes are similar correct answers According to the principles of
differential amplification, electrical interference can best be prevented if
rapid eye movement signals will be attenuated correct answers During a recording, the
technologist notices that the HFF on an EOG channel is set at 15Hz
,To record the differences in the voltage of two inputs correct answers Function of a differential
amplifier
Sensitivity = voltage/ pen deflection correct answers Which of the following equations is true
regarding sensitivity?
Less than 5K ohms correct answers Which of the following are the recommended impedance
levels for EEG electrodes?
50uV correct answers G1= 60uV, G2=10uV. what is the output signal voltage?
5.0Hz correct answers HFF setting for airflow channel
10Hz correct answers HFF setting for EEG channel
Sweat Artifact correct answers An EEG channel presents a high amplitude, low frequency
artifact.
Recalibrate the amplifier correct answers What action should a technologist NOT take in
response to a low amplitude in the airflow channel?
The impedances of input electrodes are similar correct answers Electrical interference can best
be prevented if the following action is taken
Signals at 1Hz will be attenuated
may lead to an under scoring of SWS correct answers a low filter is set at 1Hz
Automatism correct answers Actions performed without intent or awareness
The patient is attached to more than one diagnostic device, each with its own patient ground
connection correct answers A ground loop may occur when
Changing the input signal derivations correct answers The optimal method of correcting
undesirable artifacts while the patient is asleep is by
Eliminate the artifact by re- referencing the input signal derivation to a back-up reference
electrode correct answers During a recording, an identical slow wave artifact appears in three
EEG channels sharing a common reference. The appropriate response is to
Eliminate the artifact by changing the input signal derivation to a back-up exploring electrode
correct answers If a high frequency artifact appears in a single EEG channel that shares a
reference electrode with other channels, the appropriate response is to
atrial contraction correct answers In an EKG the P wave represents
,15 minutes from the 1st epoch of sleep correct answers During the MSLT , when is the nap
terminated following sleep onset?
Periodic Breathing correct answers In infants, 3 or more periods of repetitive short apneas
separated by less than 20 seconds of normal breathing is termed:
Amplitude correct answers the height of a waveform
Measured in mV
(millivolts or microvolts)
N1 correct answers No sleep spindles or K- complexes or 3 min or more between episodes are
seen in what stage of sleep?
Alcohol consumption prior tio testing correct answers What is likely to cause a 35min REM
latency?
Tachycardia correct answers >90/min
Water column manometer correct answers What is considered the standard for verifying CPAP
pressures?
Lack of atonia correct answers REM behavior disorder is primarily characterized by
Pons
Medulla oblongata
Midbrain correct answers The brain stem consists of:
Aerophagia means this... correct answers swallowing air
Aerophagia correct answers A side effect of CPAP Is?
AC amplifiers have a high frequency filter, while DC amplitudes Do Not correct answers What
is major difference between AC and DC amplifiers?
9-35 correct answers What is the range of normal scores on the Fatigue Severity Scale?
the first 30-second epoch in which there is more than 15 seconds of cumulative sleep correct
answers During a multiple sleep latency test, how is sleep onset defined?
the gain being set too high correct answers When a signal starts blocking and squaring off at the
top it is caused by
Acting out dreams correct answers Isomorphism
3cm correct answers How far apart are the EMG electrodes?
, 13hr correct answers Total daily sleep requirement for a 2yr old?
Do not use the equipment until the leakage current is lowered. correct answers The
polysomograph has a leakage current of 200uA.
What should the technician do about this?
Tidal Volume correct answers Amount of air exchange with each breath?
sleep efficiency correct answers The ratio of the % of time spent sleeping to the time spent in
bed?
10 or more correct answers Score an arousal for all stages of sleep if there is ____ seconds of
stable sleep?
Backup Rate correct answers During bi-level titration the ___________ is sometimes used to
treat central apneas.
Central Scalp correct answers Vertex sharp waves are seen in what area of the EEG?
10 correct answers Two scored arousals must have at least _____ sec if any stage of sleep
between them.
REM Sleep Behavior Disorder correct answers Patient on tricyclic antidepressants for more then
5yrs
What can the tech anticipate?
Chin EMG correct answers Scoring arousals in REM requires an increase in:
Atrial Flutter correct answers A "sawtooth" or "picket fence" appearance on the EKG baseline
suggests which type of rhythm
Frontal correct answers Slow waves are found in what region of the brain?
15 minutes from the 1st epoch if sleep correct answers During the MSLT, when is the nap
terminated following sleep set?
Phasic correct answers In polysomnography, a very brief event in sleep
3cm correct answers How far apart are the EMG electrodes?
theta waves
K complexes correct answers Stage 1(N1) if sleep contains which of the following characteristics
in the adult patient?
Max freq. of 2.0Hz correct answers Required characteristic for snoring rhythmic movement
disorder?
Eliminating undesired slow frequencies correct answers What is the purpose of the Low
Frequency Filter?
-50uV correct answers If G1 receives a signal of -100uV at the same time G2 receives a signal of
-50uv, what is the output signal?
Move toward each other correct answers The E2 electrode is placed out and up from the outer
canthus of the right eye, and E1 is placed out and down from the outer canthus of the left eye. If
the E2 channel on the polysomnograph is channel 4, and E1 is channel 5, what will the waves on
these channels do when the patient looks up?
Can be determined by counting the number of waveforms recorded during one second correct
answers The frequency of an EEG signal
By comparing the height of the waveform against a calibration signal if known value correct
answers How is the amplitude of a wave determined?
To attenuate undesirable fast frequencies correct answers The purpose of a high frequency filter
is
The ratio of input signal voltage to the amplitude of the pen deflection correct answers In
polysomnography, what is the sensitivity setting?
LFF = .1Hz, HFF = .5Hz correct answers Which of the following filter settings should be used
for recording airflow and respiratory effort?
The 1Hz setting will decrease the amplitude of slow waves correct answers If the low frequency
filter is increased from 0.3Hz to 1Hz in an EEG channel, how will this affect the recording?
8-13 Hz correct answers Alpha
13-30 Hz correct answers Beta
0.5-4 Hz correct answers Delta
4-7 Hz correct answers Theta
the impedances of input electrodes are similar correct answers According to the principles of
differential amplification, electrical interference can best be prevented if
rapid eye movement signals will be attenuated correct answers During a recording, the
technologist notices that the HFF on an EOG channel is set at 15Hz
,To record the differences in the voltage of two inputs correct answers Function of a differential
amplifier
Sensitivity = voltage/ pen deflection correct answers Which of the following equations is true
regarding sensitivity?
Less than 5K ohms correct answers Which of the following are the recommended impedance
levels for EEG electrodes?
50uV correct answers G1= 60uV, G2=10uV. what is the output signal voltage?
5.0Hz correct answers HFF setting for airflow channel
10Hz correct answers HFF setting for EEG channel
Sweat Artifact correct answers An EEG channel presents a high amplitude, low frequency
artifact.
Recalibrate the amplifier correct answers What action should a technologist NOT take in
response to a low amplitude in the airflow channel?
The impedances of input electrodes are similar correct answers Electrical interference can best
be prevented if the following action is taken
Signals at 1Hz will be attenuated
may lead to an under scoring of SWS correct answers a low filter is set at 1Hz
Automatism correct answers Actions performed without intent or awareness
The patient is attached to more than one diagnostic device, each with its own patient ground
connection correct answers A ground loop may occur when
Changing the input signal derivations correct answers The optimal method of correcting
undesirable artifacts while the patient is asleep is by
Eliminate the artifact by re- referencing the input signal derivation to a back-up reference
electrode correct answers During a recording, an identical slow wave artifact appears in three
EEG channels sharing a common reference. The appropriate response is to
Eliminate the artifact by changing the input signal derivation to a back-up exploring electrode
correct answers If a high frequency artifact appears in a single EEG channel that shares a
reference electrode with other channels, the appropriate response is to
atrial contraction correct answers In an EKG the P wave represents
,15 minutes from the 1st epoch of sleep correct answers During the MSLT , when is the nap
terminated following sleep onset?
Periodic Breathing correct answers In infants, 3 or more periods of repetitive short apneas
separated by less than 20 seconds of normal breathing is termed:
Amplitude correct answers the height of a waveform
Measured in mV
(millivolts or microvolts)
N1 correct answers No sleep spindles or K- complexes or 3 min or more between episodes are
seen in what stage of sleep?
Alcohol consumption prior tio testing correct answers What is likely to cause a 35min REM
latency?
Tachycardia correct answers >90/min
Water column manometer correct answers What is considered the standard for verifying CPAP
pressures?
Lack of atonia correct answers REM behavior disorder is primarily characterized by
Pons
Medulla oblongata
Midbrain correct answers The brain stem consists of:
Aerophagia means this... correct answers swallowing air
Aerophagia correct answers A side effect of CPAP Is?
AC amplifiers have a high frequency filter, while DC amplitudes Do Not correct answers What
is major difference between AC and DC amplifiers?
9-35 correct answers What is the range of normal scores on the Fatigue Severity Scale?
the first 30-second epoch in which there is more than 15 seconds of cumulative sleep correct
answers During a multiple sleep latency test, how is sleep onset defined?
the gain being set too high correct answers When a signal starts blocking and squaring off at the
top it is caused by
Acting out dreams correct answers Isomorphism
3cm correct answers How far apart are the EMG electrodes?
, 13hr correct answers Total daily sleep requirement for a 2yr old?
Do not use the equipment until the leakage current is lowered. correct answers The
polysomograph has a leakage current of 200uA.
What should the technician do about this?
Tidal Volume correct answers Amount of air exchange with each breath?
sleep efficiency correct answers The ratio of the % of time spent sleeping to the time spent in
bed?
10 or more correct answers Score an arousal for all stages of sleep if there is ____ seconds of
stable sleep?
Backup Rate correct answers During bi-level titration the ___________ is sometimes used to
treat central apneas.
Central Scalp correct answers Vertex sharp waves are seen in what area of the EEG?
10 correct answers Two scored arousals must have at least _____ sec if any stage of sleep
between them.
REM Sleep Behavior Disorder correct answers Patient on tricyclic antidepressants for more then
5yrs
What can the tech anticipate?
Chin EMG correct answers Scoring arousals in REM requires an increase in:
Atrial Flutter correct answers A "sawtooth" or "picket fence" appearance on the EKG baseline
suggests which type of rhythm
Frontal correct answers Slow waves are found in what region of the brain?
15 minutes from the 1st epoch if sleep correct answers During the MSLT, when is the nap
terminated following sleep set?
Phasic correct answers In polysomnography, a very brief event in sleep
3cm correct answers How far apart are the EMG electrodes?
theta waves
K complexes correct answers Stage 1(N1) if sleep contains which of the following characteristics
in the adult patient?
Max freq. of 2.0Hz correct answers Required characteristic for snoring rhythmic movement
disorder?
