Domain 4

CPAP and APAP

Select interfaces and troubleshoot obstructive events, leak and intolerance.

50questionsExam mode

Question 1 of 50

During CPAP titration, obstructive apneas persist without excessive leak. Which change most directly addresses upper-airway collapse?

A.Remove the effort beltsB.Switch off humidificationC.Increase CPAP according to the titration protocolD.Reduce oximeter averaging time only

Question 2 of 50

A sleep laboratory competency review presents this case: During CPAP titration, obstructive apneas persist without excessive leak. Which change most directly addresses upper-airway collapse?

A.Reduce oximeter averaging time onlyB.Remove the effort beltsC.Increase CPAP according to the titration protocolD.Switch off humidification

Question 3 of 50

A second technologist independently reviews the following scenario: During CPAP titration, obstructive apneas persist without excessive leak. Which change most directly addresses upper-airway collapse?

A.Switch off humidificationB.Remove the effort beltsC.Reduce oximeter averaging time onlyD.Increase CPAP according to the titration protocol

Question 4 of 50

During a quality-assurance conference, the team considers this question: During CPAP titration, obstructive apneas persist without excessive leak. Which change most directly addresses upper-airway collapse?

A.Switch off humidificationB.Remove the effort beltsC.Reduce oximeter averaging time onlyD.Increase CPAP according to the titration protocol

Question 5 of 50

A board-style practice form presents the following case: During CPAP titration, obstructive apneas persist without excessive leak. Which change most directly addresses upper-airway collapse?

A.Switch off humidificationB.Reduce oximeter averaging time onlyC.Increase CPAP according to the titration protocolD.Remove the effort belts

Question 6 of 50

A large leak begins immediately after the patient opens the mouth while using a nasal mask. What is the best first response?

A.Increase pressure substantiallyB.Ignore the leak if the machine runsC.Address oral leak and reassess interface fitD.Add oxygen immediately

Question 7 of 50

A sleep laboratory competency review presents this case: A large leak begins immediately after the patient opens the mouth while using a nasal mask. What is the best first response?

A.Ignore the leak if the machine runsB.Address oral leak and reassess interface fitC.Add oxygen immediatelyD.Increase pressure substantially

Question 8 of 50

A second technologist independently reviews the following scenario: A large leak begins immediately after the patient opens the mouth while using a nasal mask. What is the best first response?

A.Add oxygen immediatelyB.Address oral leak and reassess interface fitC.Increase pressure substantiallyD.Ignore the leak if the machine runs

Question 9 of 50

During a quality-assurance conference, the team considers this question: A large leak begins immediately after the patient opens the mouth while using a nasal mask. What is the best first response?

A.Ignore the leak if the machine runsB.Add oxygen immediatelyC.Address oral leak and reassess interface fitD.Increase pressure substantially

Question 10 of 50

A board-style practice form presents the following case: A large leak begins immediately after the patient opens the mouth while using a nasal mask. What is the best first response?

A.Add oxygen immediatelyB.Ignore the leak if the machine runsC.Increase pressure substantiallyD.Address oral leak and reassess interface fit

Question 11 of 50

A patient reports difficulty exhaling against CPAP despite good mask fit. Which comfort feature may help before changing modes?

A.Expiratory pressure reliefB.Removal of humidificationC.A lower sampling rateD.A tighter mask

Question 12 of 50

A sleep laboratory competency review presents this case: A patient reports difficulty exhaling against CPAP despite good mask fit. Which comfort feature may help before changing modes?

A.A tighter maskB.Expiratory pressure reliefC.Removal of humidificationD.A lower sampling rate

Question 13 of 50

A second technologist independently reviews the following scenario: A patient reports difficulty exhaling against CPAP despite good mask fit. Which comfort feature may help before changing modes?

A.A lower sampling rateB.Expiratory pressure reliefC.Removal of humidificationD.A tighter mask

Question 14 of 50

During a quality-assurance conference, the team considers this question: A patient reports difficulty exhaling against CPAP despite good mask fit. Which comfort feature may help before changing modes?

A.A lower sampling rateB.A tighter maskC.Removal of humidificationD.Expiratory pressure relief

Question 15 of 50

A board-style practice form presents the following case: A patient reports difficulty exhaling against CPAP despite good mask fit. Which comfort feature may help before changing modes?

A.Removal of humidificationB.A lower sampling rateC.Expiratory pressure reliefD.A tighter mask

Question 16 of 50

Snoring and inspiratory flow flattening persist after apneas are controlled. What should guide the next action?

A.Reduce pressure to zeroB.End the study immediatelyC.Continue protocol-based pressure adjustment while monitoring leak and arousalsD.Ignore all flow limitation

Question 17 of 50

A sleep laboratory competency review presents this case: Snoring and inspiratory flow flattening persist after apneas are controlled. What should guide the next action?

A.End the study immediatelyB.Ignore all flow limitationC.Continue protocol-based pressure adjustment while monitoring leak and arousalsD.Reduce pressure to zero

Question 18 of 50

A second technologist independently reviews the following scenario: Snoring and inspiratory flow flattening persist after apneas are controlled. What should guide the next action?

A.End the study immediatelyB.Continue protocol-based pressure adjustment while monitoring leak and arousalsC.Ignore all flow limitationD.Reduce pressure to zero

Question 19 of 50

During a quality-assurance conference, the team considers this question: Snoring and inspiratory flow flattening persist after apneas are controlled. What should guide the next action?

A.End the study immediatelyB.Ignore all flow limitationC.Continue protocol-based pressure adjustment while monitoring leak and arousalsD.Reduce pressure to zero

Question 20 of 50

A board-style practice form presents the following case: Snoring and inspiratory flow flattening persist after apneas are controlled. What should guide the next action?

A.End the study immediatelyB.Continue protocol-based pressure adjustment while monitoring leak and arousalsC.Reduce pressure to zeroD.Ignore all flow limitation

Question 21 of 50

Residual obstructive hypopneas persist on CPAP with acceptable leak. What is the appropriate titration principle?

A.Lower pressure automaticallyB.Increase pressure according to the approved protocolC.Remove the airflow sensorD.Add oxygen before addressing obstruction

Question 22 of 50

A sleep laboratory competency review presents this case: Residual obstructive hypopneas persist on CPAP with acceptable leak. What is the appropriate titration principle?

A.Lower pressure automaticallyB.Remove the airflow sensorC.Add oxygen before addressing obstructionD.Increase pressure according to the approved protocol

Question 23 of 50

A second technologist independently reviews the following scenario: Residual obstructive hypopneas persist on CPAP with acceptable leak. What is the appropriate titration principle?

A.Increase pressure according to the approved protocolB.Lower pressure automaticallyC.Add oxygen before addressing obstructionD.Remove the airflow sensor

Question 24 of 50

During a quality-assurance conference, the team considers this question: Residual obstructive hypopneas persist on CPAP with acceptable leak. What is the appropriate titration principle?

A.Remove the airflow sensorB.Lower pressure automaticallyC.Add oxygen before addressing obstructionD.Increase pressure according to the approved protocol

Question 25 of 50

A board-style practice form presents the following case: Residual obstructive hypopneas persist on CPAP with acceptable leak. What is the appropriate titration principle?

A.Increase pressure according to the approved protocolB.Remove the airflow sensorC.Lower pressure automaticallyD.Add oxygen before addressing obstruction

Question 26 of 50

A mask leak worsens after the straps are tightened. What should the technologist do next?

A.Ignore the leak if saturation is normalB.Tighten every strap furtherC.Increase pressure to overcome leakD.Reassess size, cushion position and interface type

Question 27 of 50

A sleep laboratory competency review presents this case: A mask leak worsens after the straps are tightened. What should the technologist do next?

A.Reassess size, cushion position and interface typeB.Increase pressure to overcome leakC.Ignore the leak if saturation is normalD.Tighten every strap further

Question 28 of 50

A second technologist independently reviews the following scenario: A mask leak worsens after the straps are tightened. What should the technologist do next?

A.Reassess size, cushion position and interface typeB.Increase pressure to overcome leakC.Tighten every strap furtherD.Ignore the leak if saturation is normal

Question 29 of 50

During a quality-assurance conference, the team considers this question: A mask leak worsens after the straps are tightened. What should the technologist do next?

A.Reassess size, cushion position and interface typeB.Increase pressure to overcome leakC.Ignore the leak if saturation is normalD.Tighten every strap further

Question 30 of 50

A board-style practice form presents the following case: A mask leak worsens after the straps are tightened. What should the technologist do next?

A.Tighten every strap furtherB.Reassess size, cushion position and interface typeC.Ignore the leak if saturation is normalD.Increase pressure to overcome leak

Question 31 of 50

Obstruction occurs only during supine REM sleep. What should the technologist ensure before declaring the pressure adequate?

A.Only wake breathing is reviewedB.Pressure is reduced immediatelyC.The mask is removed during REMD.Adequate observation at the most vulnerable stage and position when possible

Question 32 of 50

A sleep laboratory competency review presents this case: Obstruction occurs only during supine REM sleep. What should the technologist ensure before declaring the pressure adequate?

A.Adequate observation at the most vulnerable stage and position when possibleB.Only wake breathing is reviewedC.The mask is removed during REMD.Pressure is reduced immediately

Question 33 of 50

A second technologist independently reviews the following scenario: Obstruction occurs only during supine REM sleep. What should the technologist ensure before declaring the pressure adequate?

A.Only wake breathing is reviewedB.Adequate observation at the most vulnerable stage and position when possibleC.The mask is removed during REMD.Pressure is reduced immediately

Question 34 of 50

During a quality-assurance conference, the team considers this question: Obstruction occurs only during supine REM sleep. What should the technologist ensure before declaring the pressure adequate?

A.Pressure is reduced immediatelyB.Adequate observation at the most vulnerable stage and position when possibleC.The mask is removed during REMD.Only wake breathing is reviewed

Question 35 of 50

A board-style practice form presents the following case: Obstruction occurs only during supine REM sleep. What should the technologist ensure before declaring the pressure adequate?

A.Adequate observation at the most vulnerable stage and position when possibleB.Pressure is reduced immediatelyC.Only wake breathing is reviewedD.The mask is removed during REM

Question 36 of 50

Central events appear briefly after a pressure increase during unstable sleep. What is the best first principle?

A.Disable effort channelsB.Confirm sleep stability, leak and event type before escalating therapyC.Immediately switch every patient to ASVD.Continue increasing pressure rapidly

Question 37 of 50

A sleep laboratory competency review presents this case: Central events appear briefly after a pressure increase during unstable sleep. What is the best first principle?

A.Confirm sleep stability, leak and event type before escalating therapyB.Disable effort channelsC.Continue increasing pressure rapidlyD.Immediately switch every patient to ASV

Question 38 of 50

A second technologist independently reviews the following scenario: Central events appear briefly after a pressure increase during unstable sleep. What is the best first principle?

A.Confirm sleep stability, leak and event type before escalating therapyB.Continue increasing pressure rapidlyC.Disable effort channelsD.Immediately switch every patient to ASV

Question 39 of 50

During a quality-assurance conference, the team considers this question: Central events appear briefly after a pressure increase during unstable sleep. What is the best first principle?

A.Disable effort channelsB.Continue increasing pressure rapidlyC.Immediately switch every patient to ASVD.Confirm sleep stability, leak and event type before escalating therapy

Question 40 of 50

A board-style practice form presents the following case: Central events appear briefly after a pressure increase during unstable sleep. What is the best first principle?

A.Confirm sleep stability, leak and event type before escalating therapyB.Disable effort channelsC.Continue increasing pressure rapidlyD.Immediately switch every patient to ASV

Question 41 of 50

A patient has nasal dryness but therapy is otherwise effective. Which adjustment may improve comfort?

A.Review heated humidificationB.Stop recording airflowC.Remove all humidification permanentlyD.Increase pressure solely for dryness

Question 42 of 50

A sleep laboratory competency review presents this case: A patient has nasal dryness but therapy is otherwise effective. Which adjustment may improve comfort?

A.Increase pressure solely for drynessB.Remove all humidification permanentlyC.Stop recording airflowD.Review heated humidification

Question 43 of 50

A second technologist independently reviews the following scenario: A patient has nasal dryness but therapy is otherwise effective. Which adjustment may improve comfort?

A.Increase pressure solely for drynessB.Remove all humidification permanentlyC.Review heated humidificationD.Stop recording airflow

Question 44 of 50

During a quality-assurance conference, the team considers this question: A patient has nasal dryness but therapy is otherwise effective. Which adjustment may improve comfort?

A.Review heated humidificationB.Increase pressure solely for drynessC.Stop recording airflowD.Remove all humidification permanently

Question 45 of 50

A board-style practice form presents the following case: A patient has nasal dryness but therapy is otherwise effective. Which adjustment may improve comfort?

A.Stop recording airflowB.Review heated humidificationC.Increase pressure solely for drynessD.Remove all humidification permanently

Question 46 of 50

An APAP download shows wide pressure swings caused by large leak. What should be addressed first?

A.Maximum pressure increaseB.Leak and interface performanceC.Removal of the mask during sleepD.Oxygen addition

Question 47 of 50

A sleep laboratory competency review presents this case: An APAP download shows wide pressure swings caused by large leak. What should be addressed first?

A.Maximum pressure increaseB.Oxygen additionC.Removal of the mask during sleepD.Leak and interface performance

Question 48 of 50

A second technologist independently reviews the following scenario: An APAP download shows wide pressure swings caused by large leak. What should be addressed first?

A.Removal of the mask during sleepB.Maximum pressure increaseC.Leak and interface performanceD.Oxygen addition

Question 49 of 50

During a quality-assurance conference, the team considers this question: An APAP download shows wide pressure swings caused by large leak. What should be addressed first?

A.Maximum pressure increaseB.Oxygen additionC.Leak and interface performanceD.Removal of the mask during sleep

Question 50 of 50

A board-style practice form presents the following case: An APAP download shows wide pressure swings caused by large leak. What should be addressed first?

A.Maximum pressure increaseB.Removal of the mask during sleepC.Oxygen additionD.Leak and interface performance

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.