SDS EXAM – NBRC QUESTIONS AND
ANSWERS (UPDATED 2026) VERIFIED||
GRADED A+|| NEWEST!!
The recommended HFF for recording electocardiograph channel is -
CORRECTANSWER 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 -CORRECTANSWER 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 -CORRECTANSWER 20cmH2O
What is max CPAP for pts under 12 years old? -CORRECTANSWER 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? -
CORRECTANSWER Troublesome
Classify the following MSLT scores:
0 - 5 minutes...
6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... -CORRECTANSWER ...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 -CORRECTANSWER 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. -
CORRECTANSWER 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 -
CORRECTANSWER 1.5 to 3 hours
MSLT is not recommended the morning after what type of study -CORRECTANSWER
Split
MSLT is not used to diagnose narcolepsy if the TST on the prior night study was less
than ____ hours -CORRECTANSWER 6
State 2 methods for ending a nap in an MSLT -CORRECTANSWER 1. No sleep onset
after 20min
2. After 15min of continuous recording following sleep onset
List channels used in sleep montage for an MSLT -CORRECTANSWER 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 -CORRECTANSWER 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... -CORRECTANSWER
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 -
CORRECTANSWER 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 -CORRECTANSWER 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? -CORRECTANSWER Acid gluteraldehyde
10 min
1 hour
ANSWERS (UPDATED 2026) VERIFIED||
GRADED A+|| NEWEST!!
The recommended HFF for recording electocardiograph channel is -
CORRECTANSWER 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 -CORRECTANSWER 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 -CORRECTANSWER 20cmH2O
What is max CPAP for pts under 12 years old? -CORRECTANSWER 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? -
CORRECTANSWER Troublesome
Classify the following MSLT scores:
0 - 5 minutes...
6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... -CORRECTANSWER ...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 -CORRECTANSWER 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. -
CORRECTANSWER 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 -
CORRECTANSWER 1.5 to 3 hours
MSLT is not recommended the morning after what type of study -CORRECTANSWER
Split
MSLT is not used to diagnose narcolepsy if the TST on the prior night study was less
than ____ hours -CORRECTANSWER 6
State 2 methods for ending a nap in an MSLT -CORRECTANSWER 1. No sleep onset
after 20min
2. After 15min of continuous recording following sleep onset
List channels used in sleep montage for an MSLT -CORRECTANSWER 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 -CORRECTANSWER 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... -CORRECTANSWER
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 -
CORRECTANSWER 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 -CORRECTANSWER 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? -CORRECTANSWER Acid gluteraldehyde
10 min
1 hour
