SDS Exam – NBRC QUESTIONS WITH
CORRECT VERIFIED ANSWERS
QUESTION>The chin EMG signal for a sleeping pt rapidly fluctuates from high to low amp, obscuring the
entire record after the pt turns to his left side. The sleep tech should first...
a. reference the problem EMG sensor
b. have the pt rtn to previous position
c. awaken the pt and replace the problem sensor
d. turn off the EMG signal temporarily - ANSWER~a.
QUESTION>While scoring a record a sleep tech notes frequent leg movements occuring about every 60
secs that are associated with respiratory events. The sleep tech should document these movements as...
a. PLM
b. normal
c. unscored
d. arfifact - ANSWER~c.
QUESTION>It has been 90 min since lights out and a pt is sleeping supine, with intermittent snoring and
occsional hypopneas. For the last 10 minutes the SpO2 has been 79%. The sleep tech should...
a. complete the study and document results
b. administer O2 at 1L NC
c. wake the pt to verify SpO2 reliability
d. Initate CPAP protocol - ANSWER~c.
QUESTION>The right ECG chest lead disloges from the pt during the night. the sleep tech should
reference what lead?
a. left ear
b. right ear
c. right leg
d. left leg - ANSWER~b. (next most proximal lead)
,QUESTION>An 8 year old pt in stage R has a rr of 24 and a 9 sec period without any airflow or resp
effort. How much does his SpO2 have to drop to for this event to be scored as a central apnea?
a. 2%
b. 3 %
c. 4%
d. 5% - ANSWER~b.
QUESTION >The recommended HFF for recording electocardiograph channel is - ANSWER~70Hz
QUESTION>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
QUESTION>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
QUESTION>What is max CPAP for pts under 12 years old? - ANSWER~15cmH2O
QUESTION>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
QUESTION>Classify the following MSLT scores:
0 - 5 minutes...
, 6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... - ANSWER~...Severe
...Troublesome
...Manageable
...Excellent
QUESTION>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
QUESTION>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
QUESTION>In MSLT the 1st nap begins ___ to ____ hours after the overnight PSG has concluded -
ANSWER~1.5 to 3 hours
QUESTION>MSLT is not recommended the morning after what type of study - ANSWER~Split
QUESTION>MSLT is not used to diagnose narcolepsy if the TST on the prior night study was less than
____ hours - ANSWER~6
QUESTION>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
QUESTION>List channels used in sleep montage for an MSLT - ANSWER~EEG (2 leads: Central and
Occipital)
2 Reference Leads (M1 and M2)
CORRECT VERIFIED ANSWERS
QUESTION>The chin EMG signal for a sleeping pt rapidly fluctuates from high to low amp, obscuring the
entire record after the pt turns to his left side. The sleep tech should first...
a. reference the problem EMG sensor
b. have the pt rtn to previous position
c. awaken the pt and replace the problem sensor
d. turn off the EMG signal temporarily - ANSWER~a.
QUESTION>While scoring a record a sleep tech notes frequent leg movements occuring about every 60
secs that are associated with respiratory events. The sleep tech should document these movements as...
a. PLM
b. normal
c. unscored
d. arfifact - ANSWER~c.
QUESTION>It has been 90 min since lights out and a pt is sleeping supine, with intermittent snoring and
occsional hypopneas. For the last 10 minutes the SpO2 has been 79%. The sleep tech should...
a. complete the study and document results
b. administer O2 at 1L NC
c. wake the pt to verify SpO2 reliability
d. Initate CPAP protocol - ANSWER~c.
QUESTION>The right ECG chest lead disloges from the pt during the night. the sleep tech should
reference what lead?
a. left ear
b. right ear
c. right leg
d. left leg - ANSWER~b. (next most proximal lead)
,QUESTION>An 8 year old pt in stage R has a rr of 24 and a 9 sec period without any airflow or resp
effort. How much does his SpO2 have to drop to for this event to be scored as a central apnea?
a. 2%
b. 3 %
c. 4%
d. 5% - ANSWER~b.
QUESTION >The recommended HFF for recording electocardiograph channel is - ANSWER~70Hz
QUESTION>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
QUESTION>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
QUESTION>What is max CPAP for pts under 12 years old? - ANSWER~15cmH2O
QUESTION>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
QUESTION>Classify the following MSLT scores:
0 - 5 minutes...
, 6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... - ANSWER~...Severe
...Troublesome
...Manageable
...Excellent
QUESTION>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
QUESTION>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
QUESTION>In MSLT the 1st nap begins ___ to ____ hours after the overnight PSG has concluded -
ANSWER~1.5 to 3 hours
QUESTION>MSLT is not recommended the morning after what type of study - ANSWER~Split
QUESTION>MSLT is not used to diagnose narcolepsy if the TST on the prior night study was less than
____ hours - ANSWER~6
QUESTION>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
QUESTION>List channels used in sleep montage for an MSLT - ANSWER~EEG (2 leads: Central and
Occipital)
2 Reference Leads (M1 and M2)
