1|Page
SDS EXAM-NBRC EXAM LATEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
A prescription has been recieved by a home therapy DME
provider following completion of a CPAP titration study. The next
step to verify that the pt was set up at home is to:
a. have the selected provider confirm pt set up
b. call ins company and request copy of provider bill
c. check with the pt to confirm provider set up
d. contact the physician to confirm set up - ANSWER-a.
Which of the following should the sleep tech document at regular
intervals during each sleep study?
a. ambient noise level
b. impedance checks
c. room temperature
d. body position - ANSWER-d.
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A apnea related arousal is scored when a 10 cessation of airflow
is followed by a minimum of how many seconds of EEG
frequency change - ANSWER-3 seconds
What two other criteria are required to score a hypopnea with 3%
SpO2 desaturation - ANSWER-1. At least 50% reduction in airflow
(nasal) from baseline for at least 90% of the events duration.
2. Event lasts at least 10 seconds
What two other cirteria are required to score a hypopnea with a
4% SpO2 desaturation - ANSWER-1. PFlow drops by at least
30% from baseline for at least 90% of the events duration
2. Event lasts 10 seconds
Which of the following is most commonly observed in a term
infant
Active Sleep (REM) Quiet Sleep (NREM)
a. 30% 70%
b. 50% 50%
c. 70% 30%
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d. 90% 10% - ANSWER-b.
When scoring RERA the best signal to assess change in
respiratory effort is:
a. Nasal thermal sensor
b. thoracic impedence belts
c. esophgeal pressure
d. intercostal EMG - ANSWER-c.
During a sleep study a morbidly obese pt has reduced airflow and
respiratory effort. This most likely represents...
a. RERA
b. hypoventilation
c. apneustic breathing
d. obstructive apnea - ANSWER-b.
A pt with HIV had enuresis during the PSG. The sleep tech didnt
discover the soilded linens until the next moring. Which of the
following should the tech do when the study ends.
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a. Double bag and discard linens
b. Contact infection control regarding contamination
c. Use universal precautions when handling linens
d. Notify housekeeping of HIV contamination - ANSWER-c
What is the standard EOG calibration voltage in a recording
a. 25uv
b. 50uv
c. 75uv
d. 100uv - ANSWER-b
Bruxism most commonly occurs in what sleep stage - ANSWER-
N2
Which of the following should a sleep tech do to correct the
presence of 60Hz electrical interference that is noted immediately
after lights out
a. reapply the electrode
b. turn on the notch filter
SDS EXAM-NBRC EXAM LATEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
A prescription has been recieved by a home therapy DME
provider following completion of a CPAP titration study. The next
step to verify that the pt was set up at home is to:
a. have the selected provider confirm pt set up
b. call ins company and request copy of provider bill
c. check with the pt to confirm provider set up
d. contact the physician to confirm set up - ANSWER-a.
Which of the following should the sleep tech document at regular
intervals during each sleep study?
a. ambient noise level
b. impedance checks
c. room temperature
d. body position - ANSWER-d.
,2|Page
A apnea related arousal is scored when a 10 cessation of airflow
is followed by a minimum of how many seconds of EEG
frequency change - ANSWER-3 seconds
What two other criteria are required to score a hypopnea with 3%
SpO2 desaturation - ANSWER-1. At least 50% reduction in airflow
(nasal) from baseline for at least 90% of the events duration.
2. Event lasts at least 10 seconds
What two other cirteria are required to score a hypopnea with a
4% SpO2 desaturation - ANSWER-1. PFlow drops by at least
30% from baseline for at least 90% of the events duration
2. Event lasts 10 seconds
Which of the following is most commonly observed in a term
infant
Active Sleep (REM) Quiet Sleep (NREM)
a. 30% 70%
b. 50% 50%
c. 70% 30%
,3|Page
d. 90% 10% - ANSWER-b.
When scoring RERA the best signal to assess change in
respiratory effort is:
a. Nasal thermal sensor
b. thoracic impedence belts
c. esophgeal pressure
d. intercostal EMG - ANSWER-c.
During a sleep study a morbidly obese pt has reduced airflow and
respiratory effort. This most likely represents...
a. RERA
b. hypoventilation
c. apneustic breathing
d. obstructive apnea - ANSWER-b.
A pt with HIV had enuresis during the PSG. The sleep tech didnt
discover the soilded linens until the next moring. Which of the
following should the tech do when the study ends.
, 4|Page
a. Double bag and discard linens
b. Contact infection control regarding contamination
c. Use universal precautions when handling linens
d. Notify housekeeping of HIV contamination - ANSWER-c
What is the standard EOG calibration voltage in a recording
a. 25uv
b. 50uv
c. 75uv
d. 100uv - ANSWER-b
Bruxism most commonly occurs in what sleep stage - ANSWER-
N2
Which of the following should a sleep tech do to correct the
presence of 60Hz electrical interference that is noted immediately
after lights out
a. reapply the electrode
b. turn on the notch filter
