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Domain 2

Movements, Arousals and Calculations

Recognize movements and calculate common sleep indices.

100questionsStudy mode
Question 1 of 100Basic

A patient has 30 respiratory events during three hours of sleep. What is the AHI?

Question 2 of 100Basic

A senior technologist asks a trainee to review this scenario. A patient has 30 respiratory events during three hours of sleep. What is the AHI?

Question 3 of 100Basic

During a supervised sleep-laboratory shift, consider the following situation. A patient has 30 respiratory events during three hours of sleep. What is the AHI?

Question 4 of 100Basic

For a quality-assurance exercise, review this case. A patient has 30 respiratory events during three hours of sleep. What is the AHI?

Question 5 of 100Basic

A board-style practice form presents this situation. A patient has 30 respiratory events during three hours of sleep. What is the AHI?

Question 6 of 100Moderate

Total sleep time is 420 minutes and time in bed is 480 minutes. What is sleep efficiency?

Question 7 of 100Moderate

A senior technologist asks a trainee to review this scenario. Total sleep time is 420 minutes and time in bed is 480 minutes. What is sleep efficiency?

Question 8 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Total sleep time is 420 minutes and time in bed is 480 minutes. What is sleep efficiency?

Question 9 of 100Moderate

For a quality-assurance exercise, review this case. Total sleep time is 420 minutes and time in bed is 480 minutes. What is sleep efficiency?

Question 10 of 100Moderate

A board-style practice form presents this situation. Total sleep time is 420 minutes and time in bed is 480 minutes. What is sleep efficiency?

Question 11 of 100Moderate

A brief abrupt EEG frequency shift follows ten seconds of stable sleep. What event may this represent?

Question 12 of 100Moderate

A senior technologist asks a trainee to review this scenario. A brief abrupt EEG frequency shift follows ten seconds of stable sleep. What event may this represent?

Question 13 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. A brief abrupt EEG frequency shift follows ten seconds of stable sleep. What event may this represent?

Question 14 of 100Moderate

For a quality-assurance exercise, review this case. A brief abrupt EEG frequency shift follows ten seconds of stable sleep. What event may this represent?

Question 15 of 100Moderate

A board-style practice form presents this situation. A brief abrupt EEG frequency shift follows ten seconds of stable sleep. What event may this represent?

Question 16 of 100Advanced

Repeated anterior tibialis EMG bursts occur in a regular series. What should the technician do?

Question 17 of 100Advanced

A senior technologist asks a trainee to review this scenario. Repeated anterior tibialis EMG bursts occur in a regular series. What should the technician do?

Question 18 of 100Advanced

During a supervised sleep-laboratory shift, consider the following situation. Repeated anterior tibialis EMG bursts occur in a regular series. What should the technician do?

Question 19 of 100Advanced

For a quality-assurance exercise, review this case. Repeated anterior tibialis EMG bursts occur in a regular series. What should the technician do?

Question 20 of 100Advanced

A board-style practice form presents this situation. Repeated anterior tibialis EMG bursts occur in a regular series. What should the technician do?

Question 21 of 100Basic

A brief abrupt EEG frequency shift occurs during sleep and meets current duration criteria. What may be scored?

Question 22 of 100Basic

A senior technologist asks a trainee to review this scenario. A brief abrupt EEG frequency shift occurs during sleep and meets current duration criteria. What may be scored?

Question 23 of 100Basic

During a supervised sleep-laboratory shift, consider the following situation. A brief abrupt EEG frequency shift occurs during sleep and meets current duration criteria. What may be scored?

Question 24 of 100Basic

For a quality-assurance exercise, review this case. A brief abrupt EEG frequency shift occurs during sleep and meets current duration criteria. What may be scored?

Question 25 of 100Basic

A board-style practice form presents this situation. A brief abrupt EEG frequency shift occurs during sleep and meets current duration criteria. What may be scored?

Question 26 of 100Moderate

Repetitive leg movements occur in a sequence with appropriate timing. What may they represent?

Question 27 of 100Moderate

A senior technologist asks a trainee to review this scenario. Repetitive leg movements occur in a sequence with appropriate timing. What may they represent?

Question 28 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Repetitive leg movements occur in a sequence with appropriate timing. What may they represent?

Question 29 of 100Moderate

For a quality-assurance exercise, review this case. Repetitive leg movements occur in a sequence with appropriate timing. What may they represent?

Question 30 of 100Moderate

A board-style practice form presents this situation. Repetitive leg movements occur in a sequence with appropriate timing. What may they represent?

Question 31 of 100Moderate

Rhythmic jaw-muscle bursts occur with audible tooth grinding. What event is suggested?

Question 32 of 100Moderate

A senior technologist asks a trainee to review this scenario. Rhythmic jaw-muscle bursts occur with audible tooth grinding. What event is suggested?

Question 33 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Rhythmic jaw-muscle bursts occur with audible tooth grinding. What event is suggested?

Question 34 of 100Moderate

For a quality-assurance exercise, review this case. Rhythmic jaw-muscle bursts occur with audible tooth grinding. What event is suggested?

Question 35 of 100Moderate

A board-style practice form presents this situation. Rhythmic jaw-muscle bursts occur with audible tooth grinding. What event is suggested?

Question 36 of 100Basic

A patient has 30 apneas and hypopneas during 5 hours of sleep. What is the AHI?

Question 37 of 100Basic

A senior technologist asks a trainee to review this scenario. A patient has 30 apneas and hypopneas during 5 hours of sleep. What is the AHI?

Question 38 of 100Basic

During a supervised sleep-laboratory shift, consider the following situation. A patient has 30 apneas and hypopneas during 5 hours of sleep. What is the AHI?

Question 39 of 100Basic

For a quality-assurance exercise, review this case. A patient has 30 apneas and hypopneas during 5 hours of sleep. What is the AHI?

Question 40 of 100Basic

A board-style practice form presents this situation. A patient has 30 apneas and hypopneas during 5 hours of sleep. What is the AHI?

Question 41 of 100Moderate

What does RDI commonly include in addition to apneas and hypopneas?

Question 42 of 100Moderate

A senior technologist asks a trainee to review this scenario. What does RDI commonly include in addition to apneas and hypopneas?

Question 43 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. What does RDI commonly include in addition to apneas and hypopneas?

Question 44 of 100Moderate

For a quality-assurance exercise, review this case. What does RDI commonly include in addition to apneas and hypopneas?

Question 45 of 100Moderate

A board-style practice form presents this situation. What does RDI commonly include in addition to apneas and hypopneas?

Question 46 of 100Moderate

Which denominator is generally used for REI in an HSAT?

Question 47 of 100Moderate

A senior technologist asks a trainee to review this scenario. Which denominator is generally used for REI in an HSAT?

Question 48 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Which denominator is generally used for REI in an HSAT?

Question 49 of 100Moderate

For a quality-assurance exercise, review this case. Which denominator is generally used for REI in an HSAT?

Question 50 of 100Moderate

A board-style practice form presents this situation. Which denominator is generally used for REI in an HSAT?

Question 51 of 100Moderate

A study records 360 minutes in bed and 300 minutes of sleep. What is sleep efficiency?

Question 52 of 100Moderate

A senior technologist asks a trainee to review this scenario. A study records 360 minutes in bed and 300 minutes of sleep. What is sleep efficiency?

Question 53 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. A study records 360 minutes in bed and 300 minutes of sleep. What is sleep efficiency?

Question 54 of 100Moderate

For a quality-assurance exercise, review this case. A study records 360 minutes in bed and 300 minutes of sleep. What is sleep efficiency?

Question 55 of 100Moderate

A board-style practice form presents this situation. A study records 360 minutes in bed and 300 minutes of sleep. What is sleep efficiency?

Question 56 of 100Moderate

Lights out is 22:00 and sleep onset is 22:25. What is sleep latency?

Question 57 of 100Moderate

A senior technologist asks a trainee to review this scenario. Lights out is 22:00 and sleep onset is 22:25. What is sleep latency?

Question 58 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Lights out is 22:00 and sleep onset is 22:25. What is sleep latency?

Question 59 of 100Moderate

For a quality-assurance exercise, review this case. Lights out is 22:00 and sleep onset is 22:25. What is sleep latency?

Question 60 of 100Moderate

A board-style practice form presents this situation. Lights out is 22:00 and sleep onset is 22:25. What is sleep latency?

Question 61 of 100Moderate

The patient sleeps 420 minutes and is awake 45 minutes after initial sleep onset. What is WASO?

Question 62 of 100Moderate

A senior technologist asks a trainee to review this scenario. The patient sleeps 420 minutes and is awake 45 minutes after initial sleep onset. What is WASO?

Question 63 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. The patient sleeps 420 minutes and is awake 45 minutes after initial sleep onset. What is WASO?

Question 64 of 100Moderate

For a quality-assurance exercise, review this case. The patient sleeps 420 minutes and is awake 45 minutes after initial sleep onset. What is WASO?

Question 65 of 100Moderate

A board-style practice form presents this situation. The patient sleeps 420 minutes and is awake 45 minutes after initial sleep onset. What is WASO?

Question 66 of 100Moderate

Sleep onset occurs at 22:20 and the first REM epoch begins at 23:50. What is REM latency?

Question 67 of 100Moderate

A senior technologist asks a trainee to review this scenario. Sleep onset occurs at 22:20 and the first REM epoch begins at 23:50. What is REM latency?

Question 68 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Sleep onset occurs at 22:20 and the first REM epoch begins at 23:50. What is REM latency?

Question 69 of 100Moderate

For a quality-assurance exercise, review this case. Sleep onset occurs at 22:20 and the first REM epoch begins at 23:50. What is REM latency?

Question 70 of 100Moderate

A board-style practice form presents this situation. Sleep onset occurs at 22:20 and the first REM epoch begins at 23:50. What is REM latency?

Question 71 of 100Moderate

There are 60 arousals during 6 hours of sleep. What is the arousal index?

Question 72 of 100Moderate

A senior technologist asks a trainee to review this scenario. There are 60 arousals during 6 hours of sleep. What is the arousal index?

Question 73 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. There are 60 arousals during 6 hours of sleep. What is the arousal index?

Question 74 of 100Moderate

For a quality-assurance exercise, review this case. There are 60 arousals during 6 hours of sleep. What is the arousal index?

Question 75 of 100Moderate

A board-style practice form presents this situation. There are 60 arousals during 6 hours of sleep. What is the arousal index?

Question 76 of 100Moderate

There are 40 qualifying limb movements during 5 hours of sleep. What is the limb-movement index?

Question 77 of 100Moderate

A senior technologist asks a trainee to review this scenario. There are 40 qualifying limb movements during 5 hours of sleep. What is the limb-movement index?

Question 78 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. There are 40 qualifying limb movements during 5 hours of sleep. What is the limb-movement index?

Question 79 of 100Moderate

For a quality-assurance exercise, review this case. There are 40 qualifying limb movements during 5 hours of sleep. What is the limb-movement index?

Question 80 of 100Moderate

A board-style practice form presents this situation. There are 40 qualifying limb movements during 5 hours of sleep. What is the limb-movement index?

Question 81 of 100Moderate

There are 24 qualifying desaturations during 6 hours. What is the oxygen-desaturation index?

Question 82 of 100Moderate

A senior technologist asks a trainee to review this scenario. There are 24 qualifying desaturations during 6 hours. What is the oxygen-desaturation index?

Question 83 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. There are 24 qualifying desaturations during 6 hours. What is the oxygen-desaturation index?

Question 84 of 100Moderate

For a quality-assurance exercise, review this case. There are 24 qualifying desaturations during 6 hours. What is the oxygen-desaturation index?

Question 85 of 100Moderate

A board-style practice form presents this situation. There are 24 qualifying desaturations during 6 hours. What is the oxygen-desaturation index?

Question 86 of 100Moderate

N2 sleep totals 180 minutes out of 300 minutes of total sleep. What percentage is N2?

Question 87 of 100Moderate

A senior technologist asks a trainee to review this scenario. N2 sleep totals 180 minutes out of 300 minutes of total sleep. What percentage is N2?

Question 88 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. N2 sleep totals 180 minutes out of 300 minutes of total sleep. What percentage is N2?

Question 89 of 100Moderate

For a quality-assurance exercise, review this case. N2 sleep totals 180 minutes out of 300 minutes of total sleep. What percentage is N2?

Question 90 of 100Moderate

A board-style practice form presents this situation. N2 sleep totals 180 minutes out of 300 minutes of total sleep. What percentage is N2?

Question 91 of 100Moderate

What belongs in a technician summary?

Question 92 of 100Moderate

A senior technologist asks a trainee to review this scenario. What belongs in a technician summary?

Question 93 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. What belongs in a technician summary?

Question 94 of 100Moderate

For a quality-assurance exercise, review this case. What belongs in a technician summary?

Question 95 of 100Moderate

A board-style practice form presents this situation. What belongs in a technician summary?

Question 96 of 100Moderate

Why should unusual behaviour be documented with clock time?

Question 97 of 100Moderate

A senior technologist asks a trainee to review this scenario. Why should unusual behaviour be documented with clock time?

Question 98 of 100Moderate

During a supervised sleep-laboratory shift, consider the following situation. Why should unusual behaviour be documented with clock time?

Question 99 of 100Moderate

For a quality-assurance exercise, review this case. Why should unusual behaviour be documented with clock time?

Question 100 of 100Moderate

A board-style practice form presents this situation. Why should unusual behaviour be documented with clock time?

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.