SDS EXAM NBRC CERTIFICATION
EVALUATION SET 2026 ANSWERS
GUARANTEED PASS
⫸ Which of the following would best describe rhythmic 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 Answer: b
⫸ A 14 year old boy is undergoing an overnight sleep study and has
been stared on CPAP. The pt is currently on 8cmH2O CPAP. What is
the recommended max CPAP pressure for this pt Answer: 20cmH2O
⫸ What is max CPAP for pts under 12 years old? Answer: 15cmH2O
⫸ A pt recently completed an MSLT having obtained a total score of
10. Which of the following would best describe managing the pts
daytime sleepiness? Answer: Troublesome
,⫸ Classify the following MSLT scores:
0 - 5 minutes...
6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... Answer: ...Severe
...Troublesome
...Manageable
...Excellent
⫸ During an MSLT a pt has had 5 naps w/o onset of REM...what should
be done next?
a. End the study
b. Have pt take 6th nap Answer: b. 6th nap
⫸ MSLT is a seris of ____ to ____naps, each ____min long, ____ hours
apart.
______ naps will be suffieicent if sleep onset REM has occurred in 2
naps. Answer: 4 to 5 each 20min long and 2 hours apart
4
⫸ In MSLT the 1st nap begins ___ to ____ hours after the overnight
PSG has concluded Answer: 1.5 to 3 hours
,⫸ MSLT is not recommended the morning after what type of study
Answer: Split
⫸ MSLT is not used to diagnose narcolepsy if the TST on the prior
night study was less than ____ hours Answer: 6
⫸ State 2 methods for ending a nap in an MSLT Answer: 1. No sleep
onset after 20min
2. After 15min of continuous recording following sleep onset
⫸ List channels used in sleep montage for an MSLT Answer: EEG (2
leads: Central and Occipital)
2 Reference Leads (M1 and M2)
E1 and E2 (Eyes)
2 EMG leads (chin and 2 submentalis only)
ECG
⫸ List 3 items that must be scored for MSLT Answer: 1. Sleep latencies
for each nap
2. MSLT for the entire test (avg of ALL naps)
3. SOREM periods
⫸ Correct postion for and esophageal pH monitoring catheter is...
Answer: advance catheter until pH< 4.0 and then withdraw 5cm, tape
and record tube placement at nostril
, ⫸ Describe the anatomic position an esophageal pH catheter should be
placed Answer: Cather tip should be 5cm above the upper border of the
lower esophgeal sphincter
⫸ Another name for the disinfecting agent Cidex?
How long for this agent to disinfect?
How long for this agent to sterilize Answer: Alkaline gluteraldeyde
10 min
10 hours
⫸ Another name for the disinfecting agent Sonacide?
How long for this agent to disinfect?
How long for this agent to sterilize? Answer: Acid gluteraldehyde
10 min
1 hour
⫸ An ECG tracing shows a beat with an irregular rhytm, QRS >0.12sec,
and a varying rate. The sleep tech would classify this as Answer: PVC
⫸ Normal QRS interval is Answer: 0.04 - 0.10sec (No bigger than 2.5
tiny boxes)
EVALUATION SET 2026 ANSWERS
GUARANTEED PASS
⫸ Which of the following would best describe rhythmic 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 Answer: b
⫸ A 14 year old boy is undergoing an overnight sleep study and has
been stared on CPAP. The pt is currently on 8cmH2O CPAP. What is
the recommended max CPAP pressure for this pt Answer: 20cmH2O
⫸ What is max CPAP for pts under 12 years old? Answer: 15cmH2O
⫸ A pt recently completed an MSLT having obtained a total score of
10. Which of the following would best describe managing the pts
daytime sleepiness? Answer: Troublesome
,⫸ Classify the following MSLT scores:
0 - 5 minutes...
6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... Answer: ...Severe
...Troublesome
...Manageable
...Excellent
⫸ During an MSLT a pt has had 5 naps w/o onset of REM...what should
be done next?
a. End the study
b. Have pt take 6th nap Answer: b. 6th nap
⫸ MSLT is a seris of ____ to ____naps, each ____min long, ____ hours
apart.
______ naps will be suffieicent if sleep onset REM has occurred in 2
naps. Answer: 4 to 5 each 20min long and 2 hours apart
4
⫸ In MSLT the 1st nap begins ___ to ____ hours after the overnight
PSG has concluded Answer: 1.5 to 3 hours
,⫸ MSLT is not recommended the morning after what type of study
Answer: Split
⫸ MSLT is not used to diagnose narcolepsy if the TST on the prior
night study was less than ____ hours Answer: 6
⫸ State 2 methods for ending a nap in an MSLT Answer: 1. No sleep
onset after 20min
2. After 15min of continuous recording following sleep onset
⫸ List channels used in sleep montage for an MSLT Answer: EEG (2
leads: Central and Occipital)
2 Reference Leads (M1 and M2)
E1 and E2 (Eyes)
2 EMG leads (chin and 2 submentalis only)
ECG
⫸ List 3 items that must be scored for MSLT Answer: 1. Sleep latencies
for each nap
2. MSLT for the entire test (avg of ALL naps)
3. SOREM periods
⫸ Correct postion for and esophageal pH monitoring catheter is...
Answer: advance catheter until pH< 4.0 and then withdraw 5cm, tape
and record tube placement at nostril
, ⫸ Describe the anatomic position an esophageal pH catheter should be
placed Answer: Cather tip should be 5cm above the upper border of the
lower esophgeal sphincter
⫸ Another name for the disinfecting agent Cidex?
How long for this agent to disinfect?
How long for this agent to sterilize Answer: Alkaline gluteraldeyde
10 min
10 hours
⫸ Another name for the disinfecting agent Sonacide?
How long for this agent to disinfect?
How long for this agent to sterilize? Answer: Acid gluteraldehyde
10 min
1 hour
⫸ An ECG tracing shows a beat with an irregular rhytm, QRS >0.12sec,
and a varying rate. The sleep tech would classify this as Answer: PVC
⫸ Normal QRS interval is Answer: 0.04 - 0.10sec (No bigger than 2.5
tiny boxes)
