SDS EXAM - NBRC | 170 QUESTIONS AND ANSWERS |
2026 UPDATE WITH COMPLETE SOLUTION
The recommended HFF for recording electocardiograph channel is Answer -
70Hz
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
2026 UPDATE WITH COMPLETE SOLUTION
The recommended HFF for recording electocardiograph channel is Answer -
70Hz
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
