SDS Exam – NBRC Questions With
100% Correct Answers
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
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)
, Normal PR interval is - Answer 0.12-0.20 sec (No bigger than 1 large box)
Formula for calculating Hr on ECG tracing - Answer 300 % # of large boxes between R
waves
Bradycardia is Hr less than - Answer 40 bpm while asleep for longer than 2 minutes
Describe a multi-focal PVC traching - Answer negative wide QRS deflection
Couplet on ECG refers to - Answer Two PVC in a row
Multiple PVCs in a row can cause what lethal arrhythmia - Answer v-tach
Write the formula that relates Volts, Current (I), and Resistance.
This formula is also known as Law - Answer V = I x R
Ohms Law
Write the formula that relates Volts, Sensitivity and Pen Deflection - Answer V = S x PD
In the 10-20 system, the acronym FCPOT stands for - Answer Frontal
Central
Parietal
Occipital
Temporal
In the 10-20 system, the sagittal, coronal planes are divided what % - Answer 20%
From naison to Fpz is what %
From Inion to Oz is what %
From M1/M2 to T3/T4 is what % - Answer 10%
From O1/O2 to Oz is what %
From Fp1/Fp2 to Fpz is what % - Answer 5%
In the 10-20 system, the parasagettial planes (Fp1 to O1) and (Fp2 to O2) are divided
into what % - Answer 25%
Fp1 - F3 - C3 - P3 - O1 (left)
Fp2 - F4 - C4 - P4 - O2 (right)
If the distance from Fp2 to O2 is 30cm, what is the distance from C4 to P4 - Answer
7.5cm (25% of 30cm)
For the following channels, list the :
LFF - HFF Sensitivity Sampling Rate
F4-M1
100% Correct Answers
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
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)
, Normal PR interval is - Answer 0.12-0.20 sec (No bigger than 1 large box)
Formula for calculating Hr on ECG tracing - Answer 300 % # of large boxes between R
waves
Bradycardia is Hr less than - Answer 40 bpm while asleep for longer than 2 minutes
Describe a multi-focal PVC traching - Answer negative wide QRS deflection
Couplet on ECG refers to - Answer Two PVC in a row
Multiple PVCs in a row can cause what lethal arrhythmia - Answer v-tach
Write the formula that relates Volts, Current (I), and Resistance.
This formula is also known as Law - Answer V = I x R
Ohms Law
Write the formula that relates Volts, Sensitivity and Pen Deflection - Answer V = S x PD
In the 10-20 system, the acronym FCPOT stands for - Answer Frontal
Central
Parietal
Occipital
Temporal
In the 10-20 system, the sagittal, coronal planes are divided what % - Answer 20%
From naison to Fpz is what %
From Inion to Oz is what %
From M1/M2 to T3/T4 is what % - Answer 10%
From O1/O2 to Oz is what %
From Fp1/Fp2 to Fpz is what % - Answer 5%
In the 10-20 system, the parasagettial planes (Fp1 to O1) and (Fp2 to O2) are divided
into what % - Answer 25%
Fp1 - F3 - C3 - P3 - O1 (left)
Fp2 - F4 - C4 - P4 - O2 (right)
If the distance from Fp2 to O2 is 30cm, what is the distance from C4 to P4 - Answer
7.5cm (25% of 30cm)
For the following channels, list the :
LFF - HFF Sensitivity Sampling Rate
F4-M1
