Domain 3

Movements and Cardiac Events

Recognize limb movements, bruxism and clinically important cardiac findings.

50questionsExam mode

Question 1 of 50

A series of stereotyped leg EMG bursts occurs repeatedly at regular intervals. What additional feature is needed before calling it a periodic limb movement series?

A.Every movement must cause apneaB.The movements must meet required number and intermovement-interval criteriaC.The ECG must show tachycardiaD.All movements must occur in REM

Question 2 of 50

A sleep laboratory competency review presents this case: A series of stereotyped leg EMG bursts occurs repeatedly at regular intervals. What additional feature is needed before calling it a periodic limb movement series?

A.The ECG must show tachycardiaB.All movements must occur in REMC.Every movement must cause apneaD.The movements must meet required number and intermovement-interval criteria

Question 3 of 50

A second technologist independently reviews the following scenario: A series of stereotyped leg EMG bursts occurs repeatedly at regular intervals. What additional feature is needed before calling it a periodic limb movement series?

A.All movements must occur in REMB.Every movement must cause apneaC.The ECG must show tachycardiaD.The movements must meet required number and intermovement-interval criteria

Question 4 of 50

During a quality-assurance conference, the team considers this question: A series of stereotyped leg EMG bursts occurs repeatedly at regular intervals. What additional feature is needed before calling it a periodic limb movement series?

A.The ECG must show tachycardiaB.Every movement must cause apneaC.All movements must occur in REMD.The movements must meet required number and intermovement-interval criteria

Question 5 of 50

A board-style practice form presents the following case: A series of stereotyped leg EMG bursts occurs repeatedly at regular intervals. What additional feature is needed before calling it a periodic limb movement series?

A.Every movement must cause apneaB.The movements must meet required number and intermovement-interval criteriaC.All movements must occur in REMD.The ECG must show tachycardia

Question 6 of 50

Rhythmic jaw-muscle bursts occur with audible tooth grinding. Which event is most likely?

A.REM atoniaB.Cheyne-Stokes breathingC.Electrode poppingD.Bruxism

Question 7 of 50

A sleep laboratory competency review presents this case: Rhythmic jaw-muscle bursts occur with audible tooth grinding. Which event is most likely?

A.Cheyne-Stokes breathingB.BruxismC.Electrode poppingD.REM atonia

Question 8 of 50

A second technologist independently reviews the following scenario: Rhythmic jaw-muscle bursts occur with audible tooth grinding. Which event is most likely?

A.Electrode poppingB.Cheyne-Stokes breathingC.REM atoniaD.Bruxism

Question 9 of 50

During a quality-assurance conference, the team considers this question: Rhythmic jaw-muscle bursts occur with audible tooth grinding. Which event is most likely?

A.REM atoniaB.Electrode poppingC.BruxismD.Cheyne-Stokes breathing

Question 10 of 50

A board-style practice form presents the following case: Rhythmic jaw-muscle bursts occur with audible tooth grinding. Which event is most likely?

A.Cheyne-Stokes breathingB.Electrode poppingC.REM atoniaD.Bruxism

Question 11 of 50

A sustained narrow-complex tachycardia appears during PSG and the patient reports palpitations. What is the best response?

A.Increase PAP pressure immediatelyB.Score the epoch as REMC.Assess the patient and follow the laboratory cardiac-event protocolD.Ignore it because PSG is not an ECG

Question 12 of 50

A sleep laboratory competency review presents this case: A sustained narrow-complex tachycardia appears during PSG and the patient reports palpitations. What is the best response?

A.Increase PAP pressure immediatelyB.Ignore it because PSG is not an ECGC.Score the epoch as REMD.Assess the patient and follow the laboratory cardiac-event protocol

Question 13 of 50

A second technologist independently reviews the following scenario: A sustained narrow-complex tachycardia appears during PSG and the patient reports palpitations. What is the best response?

A.Score the epoch as REMB.Assess the patient and follow the laboratory cardiac-event protocolC.Ignore it because PSG is not an ECGD.Increase PAP pressure immediately

Question 14 of 50

During a quality-assurance conference, the team considers this question: A sustained narrow-complex tachycardia appears during PSG and the patient reports palpitations. What is the best response?

A.Ignore it because PSG is not an ECGB.Score the epoch as REMC.Assess the patient and follow the laboratory cardiac-event protocolD.Increase PAP pressure immediately

Question 15 of 50

A board-style practice form presents the following case: A sustained narrow-complex tachycardia appears during PSG and the patient reports palpitations. What is the best response?

A.Assess the patient and follow the laboratory cardiac-event protocolB.Increase PAP pressure immediatelyC.Ignore it because PSG is not an ECGD.Score the epoch as REM

Question 16 of 50

A leg movement begins during a respiratory event and ends as breathing resumes. What principle is most important?

A.Ignore the respiratory eventB.Apply respiratory-event association rules before scoring it as an independent PLMC.Score it only as bruxismD.Always count it twice

Question 17 of 50

A sleep laboratory competency review presents this case: A leg movement begins during a respiratory event and ends as breathing resumes. What principle is most important?

A.Apply respiratory-event association rules before scoring it as an independent PLMB.Score it only as bruxismC.Ignore the respiratory eventD.Always count it twice

Question 18 of 50

A second technologist independently reviews the following scenario: A leg movement begins during a respiratory event and ends as breathing resumes. What principle is most important?

A.Apply respiratory-event association rules before scoring it as an independent PLMB.Always count it twiceC.Score it only as bruxismD.Ignore the respiratory event

Question 19 of 50

During a quality-assurance conference, the team considers this question: A leg movement begins during a respiratory event and ends as breathing resumes. What principle is most important?

A.Score it only as bruxismB.Always count it twiceC.Apply respiratory-event association rules before scoring it as an independent PLMD.Ignore the respiratory event

Question 20 of 50

A board-style practice form presents the following case: A leg movement begins during a respiratory event and ends as breathing resumes. What principle is most important?

A.Ignore the respiratory eventB.Always count it twiceC.Score it only as bruxismD.Apply respiratory-event association rules before scoring it as an independent PLM

Question 21 of 50

A leg EMG burst lasts 2 seconds and rises clearly above resting amplitude. Which duration requirement for a limb movement is met?

A.Yes, because it is between 0.5 and 10 secondsB.No, because it must be shorter than 0.2 secondsC.No, because it must last 30 secondsD.Yes, but only during REM

Question 22 of 50

A sleep laboratory competency review presents this case: A leg EMG burst lasts 2 seconds and rises clearly above resting amplitude. Which duration requirement for a limb movement is met?

A.No, because it must be shorter than 0.2 secondsB.No, because it must last 30 secondsC.Yes, because it is between 0.5 and 10 secondsD.Yes, but only during REM

Question 23 of 50

A second technologist independently reviews the following scenario: A leg EMG burst lasts 2 seconds and rises clearly above resting amplitude. Which duration requirement for a limb movement is met?

A.No, because it must be shorter than 0.2 secondsB.Yes, because it is between 0.5 and 10 secondsC.Yes, but only during REMD.No, because it must last 30 seconds

Question 24 of 50

During a quality-assurance conference, the team considers this question: A leg EMG burst lasts 2 seconds and rises clearly above resting amplitude. Which duration requirement for a limb movement is met?

A.Yes, but only during REMB.Yes, because it is between 0.5 and 10 secondsC.No, because it must be shorter than 0.2 secondsD.No, because it must last 30 seconds

Question 25 of 50

A board-style practice form presents the following case: A leg EMG burst lasts 2 seconds and rises clearly above resting amplitude. Which duration requirement for a limb movement is met?

A.No, because it must be shorter than 0.2 secondsB.Yes, but only during REMC.Yes, because it is between 0.5 and 10 secondsD.No, because it must last 30 seconds

Question 26 of 50

Four qualifying leg movements occur with onset intervals of 20 seconds. What pattern may be scored?

A.BruxismB.Cheyne-Stokes breathingC.A periodic limb movement seriesD.A cortical arousal only

Question 27 of 50

A sleep laboratory competency review presents this case: Four qualifying leg movements occur with onset intervals of 20 seconds. What pattern may be scored?

A.A periodic limb movement seriesB.BruxismC.A cortical arousal onlyD.Cheyne-Stokes breathing

Question 28 of 50

A second technologist independently reviews the following scenario: Four qualifying leg movements occur with onset intervals of 20 seconds. What pattern may be scored?

A.A periodic limb movement seriesB.BruxismC.Cheyne-Stokes breathingD.A cortical arousal only

Question 29 of 50

During a quality-assurance conference, the team considers this question: Four qualifying leg movements occur with onset intervals of 20 seconds. What pattern may be scored?

A.BruxismB.Cheyne-Stokes breathingC.A cortical arousal onlyD.A periodic limb movement series

Question 30 of 50

A board-style practice form presents the following case: Four qualifying leg movements occur with onset intervals of 20 seconds. What pattern may be scored?

A.Cheyne-Stokes breathingB.A cortical arousal onlyC.A periodic limb movement seriesD.Bruxism

Question 31 of 50

A leg movement occurs entirely within a respiratory event. How should it generally be handled?

A.Always count it twiceB.Convert it to an arousalC.Do not score it as an independent limb movement under the exclusion ruleD.Score it as bruxism

Question 32 of 50

A sleep laboratory competency review presents this case: A leg movement occurs entirely within a respiratory event. How should it generally be handled?

A.Do not score it as an independent limb movement under the exclusion ruleB.Convert it to an arousalC.Always count it twiceD.Score it as bruxism

Question 33 of 50

A second technologist independently reviews the following scenario: A leg movement occurs entirely within a respiratory event. How should it generally be handled?

A.Always count it twiceB.Convert it to an arousalC.Do not score it as an independent limb movement under the exclusion ruleD.Score it as bruxism

Question 34 of 50

During a quality-assurance conference, the team considers this question: A leg movement occurs entirely within a respiratory event. How should it generally be handled?

A.Always count it twiceB.Convert it to an arousalC.Do not score it as an independent limb movement under the exclusion ruleD.Score it as bruxism

Question 35 of 50

A board-style practice form presents the following case: A leg movement occurs entirely within a respiratory event. How should it generally be handled?

A.Do not score it as an independent limb movement under the exclusion ruleB.Convert it to an arousalC.Always count it twiceD.Score it as bruxism

Question 36 of 50

The ECG shows an irregular wide-complex rhythm and the patient is difficult to arouse. What is the first priority?

A.Continue recording without interruptionB.Immediate patient assessment and emergency responseC.Remove the ECG electrodesD.Apply a notch filter

Question 37 of 50

A sleep laboratory competency review presents this case: The ECG shows an irregular wide-complex rhythm and the patient is difficult to arouse. What is the first priority?

A.Immediate patient assessment and emergency responseB.Apply a notch filterC.Continue recording without interruptionD.Remove the ECG electrodes

Question 38 of 50

A second technologist independently reviews the following scenario: The ECG shows an irregular wide-complex rhythm and the patient is difficult to arouse. What is the first priority?

A.Remove the ECG electrodesB.Continue recording without interruptionC.Apply a notch filterD.Immediate patient assessment and emergency response

Question 39 of 50

During a quality-assurance conference, the team considers this question: The ECG shows an irregular wide-complex rhythm and the patient is difficult to arouse. What is the first priority?

A.Remove the ECG electrodesB.Immediate patient assessment and emergency responseC.Continue recording without interruptionD.Apply a notch filter

Question 40 of 50

A board-style practice form presents the following case: The ECG shows an irregular wide-complex rhythm and the patient is difficult to arouse. What is the first priority?

A.Continue recording without interruptionB.Immediate patient assessment and emergency responseC.Remove the ECG electrodesD.Apply a notch filter

Question 41 of 50

Rhythmic ECG-like deflections contaminate a leg EMG channel. What is the best interpretation?

A.A sleep spindleB.Cardiac artifact in the EMG channelC.Pulse oximetry failureD.True periodic limb movements

Question 42 of 50

A sleep laboratory competency review presents this case: Rhythmic ECG-like deflections contaminate a leg EMG channel. What is the best interpretation?

A.Cardiac artifact in the EMG channelB.Pulse oximetry failureC.True periodic limb movementsD.A sleep spindle

Question 43 of 50

A second technologist independently reviews the following scenario: Rhythmic ECG-like deflections contaminate a leg EMG channel. What is the best interpretation?

A.Pulse oximetry failureB.Cardiac artifact in the EMG channelC.True periodic limb movementsD.A sleep spindle

Question 44 of 50

During a quality-assurance conference, the team considers this question: Rhythmic ECG-like deflections contaminate a leg EMG channel. What is the best interpretation?

A.True periodic limb movementsB.Cardiac artifact in the EMG channelC.A sleep spindleD.Pulse oximetry failure

Question 45 of 50

A board-style practice form presents the following case: Rhythmic ECG-like deflections contaminate a leg EMG channel. What is the best interpretation?

A.Cardiac artifact in the EMG channelB.A sleep spindleC.True periodic limb movementsD.Pulse oximetry failure

Question 46 of 50

A brief heart-rate increase follows an EEG arousal. What is the best reporting principle?

A.Recognize the physiologic association but score the arousal by EEG criteriaB.Score tachycardia as an apneaC.Call every increase an arrhythmiaD.Ignore the EEG change

Question 47 of 50

A sleep laboratory competency review presents this case: A brief heart-rate increase follows an EEG arousal. What is the best reporting principle?

A.Ignore the EEG changeB.Score tachycardia as an apneaC.Call every increase an arrhythmiaD.Recognize the physiologic association but score the arousal by EEG criteria

Question 48 of 50

A second technologist independently reviews the following scenario: A brief heart-rate increase follows an EEG arousal. What is the best reporting principle?

A.Recognize the physiologic association but score the arousal by EEG criteriaB.Ignore the EEG changeC.Call every increase an arrhythmiaD.Score tachycardia as an apnea

Question 49 of 50

During a quality-assurance conference, the team considers this question: A brief heart-rate increase follows an EEG arousal. What is the best reporting principle?

A.Call every increase an arrhythmiaB.Score tachycardia as an apneaC.Recognize the physiologic association but score the arousal by EEG criteriaD.Ignore the EEG change

Question 50 of 50

A board-style practice form presents the following case: A brief heart-rate increase follows an EEG arousal. What is the best reporting principle?

A.Ignore the EEG changeB.Call every increase an arrhythmiaC.Score tachycardia as an apneaD.Recognize the physiologic association but score the arousal by EEG criteria

Reference framework

These are independently written educational questions aligned to the public BRPT blueprint and professional technical references. Always use the current official scoring manual, laboratory policy and clinician orders in practice.