NBRC-SDS EXAM QUESTIONS AND ANSWERS (VERIFIED AND WELL
SDS Exam - NBRC
DETAILED ANSWERS) LATEST UPDATE 2025/2026
Study online at https://quizlet.com/_448a3h
1. The recommended HFF for recording electocardio- 70Hz
graph channel is
2. Which of the following would best describe rhyth- b
mic movement disorder?
1. Minimum frequency of 0.3Hz
2. Max frequency of 2.0Hz
3. Min number of 4 rhythmic movements
a.1,2
b.2,3
c.1,3
d.1,2,3
3. A 14 year old boy is undergoing an overnight sleep 20cmH2O
study and has been stared on CPAP. The pt is cur-
rently on 8cmH2O CPAP. What is the recommended
max CPAP pressure for this pt
4. What is max CPAP for pts under 12 years old? 15cmH2O
5. A pt recently completed an MSLT having obtained a Troublesome
total score of 10. Which of the following would best
describe managing the pts daytime sleepiness?
6. Classify the following MSLT scores: ...Severe
0 - 5 minutes... ...Troublesome
6 - 10 minutes... ...Manageable
11 - 15 minutes... ...Excellent
16 - 20 minutes...
7. During an MSLT a pt has had 5 naps w/o onset of b. 6th nap
REM...what should be done next?
, SDS Exam - NBRC
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a. End the study
b. Have pt take 6th nap
8. MSLT is a seris of ____ to ____naps, each ____min long, 4 to 5 each 20min long and 2
____ hours apart. hours apart
______ naps will be suffieicent if sleep onset REM has 4
occurred in 2 naps.
9. In MSLT the 1st nap begins ___ to ____ hours after 1.5 to 3 hours
the overnight PSG has concluded
10. MSLT is not recommended the morning after what Split
type of study
11. MSLT is not used to diagnose narcolepsy if the TST 6
on the prior night study was less than ____ hours
12. State 2 methods for ending a nap in an MSLT 1. No sleep onset after
20min
2. After 15min of continuous
recording following sleep on-
set
13. List channels used in sleep montage for an MSLT EEG (2 leads: Central and Oc-
cipital)
2 Reference Leads (M1 and
M2)
E1 and E2 (Eyes)
2 EMG leads (chin and 2 sub-
mentalis only)
ECG
14. List 3 items that must be scored for MSLT
, SDS Exam - NBRC
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1. Sleep latencies for each
nap
2. MSLT for the entire test
(avg of ALL naps)
3. SOREM periods
15. Correct postion for and esophageal pH monitoring advance catheter until pH<
catheter is... 4.0 and then withdraw 5cm,
tape and record tube place-
ment at nostril
16. Describe the anatomic position an esophageal pH Cather tip should be 5cm
catheter should be placed above the upper border of
the lower esophgeal sphinc-
ter
17. Another name for the disinfecting agent Cidex? Alkaline gluteraldeyde
How long for this agent to disinfect? 10 min
How long for this agent to sterilize 10 hours
18. Another name for the disinfecting agent Sonacide? Acid gluteraldehyde
How long for this agent to disinfect? 10 min
How long for this agent to sterilize? 1 hour
19. An ECG tracing shows a beat with an irregular PVC
rhytm, QRS >0.12sec, and a varying rate. The sleep
tech would classify this as
20. Normal QRS interval is 0.04 - 0.10sec (No bigger
than 2.5 tiny boxes)
21. Normal PR interval is 0.12-0.20 sec (No bigger
than 1 large box)
SDS Exam - NBRC
DETAILED ANSWERS) LATEST UPDATE 2025/2026
Study online at https://quizlet.com/_448a3h
1. The recommended HFF for recording electocardio- 70Hz
graph channel is
2. Which of the following would best describe rhyth- b
mic movement disorder?
1. Minimum frequency of 0.3Hz
2. Max frequency of 2.0Hz
3. Min number of 4 rhythmic movements
a.1,2
b.2,3
c.1,3
d.1,2,3
3. A 14 year old boy is undergoing an overnight sleep 20cmH2O
study and has been stared on CPAP. The pt is cur-
rently on 8cmH2O CPAP. What is the recommended
max CPAP pressure for this pt
4. What is max CPAP for pts under 12 years old? 15cmH2O
5. A pt recently completed an MSLT having obtained a Troublesome
total score of 10. Which of the following would best
describe managing the pts daytime sleepiness?
6. Classify the following MSLT scores: ...Severe
0 - 5 minutes... ...Troublesome
6 - 10 minutes... ...Manageable
11 - 15 minutes... ...Excellent
16 - 20 minutes...
7. During an MSLT a pt has had 5 naps w/o onset of b. 6th nap
REM...what should be done next?
, SDS Exam - NBRC
Study online at https://quizlet.com/_448a3h
a. End the study
b. Have pt take 6th nap
8. MSLT is a seris of ____ to ____naps, each ____min long, 4 to 5 each 20min long and 2
____ hours apart. hours apart
______ naps will be suffieicent if sleep onset REM has 4
occurred in 2 naps.
9. In MSLT the 1st nap begins ___ to ____ hours after 1.5 to 3 hours
the overnight PSG has concluded
10. MSLT is not recommended the morning after what Split
type of study
11. MSLT is not used to diagnose narcolepsy if the TST 6
on the prior night study was less than ____ hours
12. State 2 methods for ending a nap in an MSLT 1. No sleep onset after
20min
2. After 15min of continuous
recording following sleep on-
set
13. List channels used in sleep montage for an MSLT EEG (2 leads: Central and Oc-
cipital)
2 Reference Leads (M1 and
M2)
E1 and E2 (Eyes)
2 EMG leads (chin and 2 sub-
mentalis only)
ECG
14. List 3 items that must be scored for MSLT
, SDS Exam - NBRC
Study online at https://quizlet.com/_448a3h
1. Sleep latencies for each
nap
2. MSLT for the entire test
(avg of ALL naps)
3. SOREM periods
15. Correct postion for and esophageal pH monitoring advance catheter until pH<
catheter is... 4.0 and then withdraw 5cm,
tape and record tube place-
ment at nostril
16. Describe the anatomic position an esophageal pH Cather tip should be 5cm
catheter should be placed above the upper border of
the lower esophgeal sphinc-
ter
17. Another name for the disinfecting agent Cidex? Alkaline gluteraldeyde
How long for this agent to disinfect? 10 min
How long for this agent to sterilize 10 hours
18. Another name for the disinfecting agent Sonacide? Acid gluteraldehyde
How long for this agent to disinfect? 10 min
How long for this agent to sterilize? 1 hour
19. An ECG tracing shows a beat with an irregular PVC
rhytm, QRS >0.12sec, and a varying rate. The sleep
tech would classify this as
20. Normal QRS interval is 0.04 - 0.10sec (No bigger
than 2.5 tiny boxes)
21. Normal PR interval is 0.12-0.20 sec (No bigger
than 1 large box)
