SDS – NBRC ACTUAL
2025-2026 EXAM WITH
QUESTIONS AND
CORRECT VERIFIED
ANSWERS GRADED A+
GUARANTEED 100%
PASS
Classify the following MSLT scores:
0 - 5 minutes...
6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... - ANSWERS-...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 - ANSWERS-b. 6th nap
List two mandatory components of an order for a PSG - ANSWERS-Signed by MD
Type of study (Split, PSG)
PSG is indicated for COPD pts with a PaO2 > ____mmHg and whose condition is made
worse by which three conditions. - ANSWERS-55
Cor pulmonale, Polycythemia, Pulmonary HTN
What effect on sleep time will pts with cardiac arrhythmias most likely experience -
ANSWERS-Decreased TST
What effect on sleep time will pts with pacemakers most likely experience - ANSWERS-
Increased TST
List three important aspects regarding the sleep techs role as it pertains to pt safety -
ANSWERS-Electrical safety
Chemical safety
Disaster safety
BMI index:
Normal
Overweight
Obese - ANSWERS-18.5 - 25 kg/m2
25 - 30 kg/m2
30 or more
What is the role of the sympathetic nervous system - ANSWERS-Fight or Flight
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. -
ANSWERS-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 -
ANSWERS-1.5 to 3 hours
MSLT is not recommended the morning after what type of study - ANSWERS-Split
MSLT is not used to diagnose narcolepsy if the TST on the prior night study was less
than ____ hours - ANSWERS-6
State 2 methods for ending a nap in an MSLT - ANSWERS-1. No sleep onset after
20min
2. After 15min of continuous recording following sleep onset
,List channels used in sleep montage for an MSLT - ANSWERS-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 - ANSWERS-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... - ANSWERS-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 -
ANSWERS-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 - ANSWERS-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? - ANSWERS-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 - ANSWERS-PVC
Normal QRS interval is - ANSWERS-0.04 - 0.10sec (No bigger than 2.5 tiny boxes)
Normal PR interval is - ANSWERS-0.12-0.20 sec (No bigger than 1 large box)
Formula for calculating Hr on ECG tracing - ANSWERS-300 % # of large boxes
between R waves
Bradycardia is Hr less than - ANSWERS-40 bpm while asleep for longer than 2 minutes
Describe a multi-focal PVC traching - ANSWERS-negative wide QRS deflection
Couplet on ECG refers to - ANSWERS-Two PVC in a row
, Multiple PVCs in a row can cause what lethal arrhythmia - ANSWERS-v-tach
Write the formula that relates Volts, Current (I), and Resistance.
This formula is also known as _______________ Law - ANSWERS-V = I x R
Ohms Law
Write the formula that relates Volts, Sensitivity and Pen Deflection - ANSWERS-V = S x
PD
In the 10-20 system, the acronym FCPOT stands for - ANSWERS-Frontal
Central
Parietal
Occipital
Temporal
In the 10-20 system, the sagittal, coronal planes are divided what % - ANSWERS-20%
From naison to Fpz is what %
From Inion to Oz is what %
From M1/M2 to T3/T4 is what % - ANSWERS-10%
From O1/O2 to Oz is what %
From Fp1/Fp2 to Fpz is what % - ANSWERS-5%
In the 10-20 system, the parasagettial planes (Fp1 to O1) and (Fp2 to O2) are divided
into what % - ANSWERS-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 -
ANSWERS-7.5cm (25% of 30cm)
For the following channels, list the :
LFF - HFF Sensitivity Sampling Rate
F4-M1
C4-M1
O2-M1
E1-M2
E2-M2 - ANSWERS-0.3 - 35Hz 7uv/mm 500Hz
For the following channels, list the:
LFF - HFF Sensitivity Sampling Rate
ECG - ANSWERS-0.3 - 70Hz 20uv/mm 500Hz
For the following channels, list the
2025-2026 EXAM WITH
QUESTIONS AND
CORRECT VERIFIED
ANSWERS GRADED A+
GUARANTEED 100%
PASS
Classify the following MSLT scores:
0 - 5 minutes...
6 - 10 minutes...
11 - 15 minutes...
16 - 20 minutes... - ANSWERS-...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 - ANSWERS-b. 6th nap
List two mandatory components of an order for a PSG - ANSWERS-Signed by MD
Type of study (Split, PSG)
PSG is indicated for COPD pts with a PaO2 > ____mmHg and whose condition is made
worse by which three conditions. - ANSWERS-55
Cor pulmonale, Polycythemia, Pulmonary HTN
What effect on sleep time will pts with cardiac arrhythmias most likely experience -
ANSWERS-Decreased TST
What effect on sleep time will pts with pacemakers most likely experience - ANSWERS-
Increased TST
List three important aspects regarding the sleep techs role as it pertains to pt safety -
ANSWERS-Electrical safety
Chemical safety
Disaster safety
BMI index:
Normal
Overweight
Obese - ANSWERS-18.5 - 25 kg/m2
25 - 30 kg/m2
30 or more
What is the role of the sympathetic nervous system - ANSWERS-Fight or Flight
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. -
ANSWERS-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 -
ANSWERS-1.5 to 3 hours
MSLT is not recommended the morning after what type of study - ANSWERS-Split
MSLT is not used to diagnose narcolepsy if the TST on the prior night study was less
than ____ hours - ANSWERS-6
State 2 methods for ending a nap in an MSLT - ANSWERS-1. No sleep onset after
20min
2. After 15min of continuous recording following sleep onset
,List channels used in sleep montage for an MSLT - ANSWERS-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 - ANSWERS-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... - ANSWERS-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 -
ANSWERS-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 - ANSWERS-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? - ANSWERS-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 - ANSWERS-PVC
Normal QRS interval is - ANSWERS-0.04 - 0.10sec (No bigger than 2.5 tiny boxes)
Normal PR interval is - ANSWERS-0.12-0.20 sec (No bigger than 1 large box)
Formula for calculating Hr on ECG tracing - ANSWERS-300 % # of large boxes
between R waves
Bradycardia is Hr less than - ANSWERS-40 bpm while asleep for longer than 2 minutes
Describe a multi-focal PVC traching - ANSWERS-negative wide QRS deflection
Couplet on ECG refers to - ANSWERS-Two PVC in a row
, Multiple PVCs in a row can cause what lethal arrhythmia - ANSWERS-v-tach
Write the formula that relates Volts, Current (I), and Resistance.
This formula is also known as _______________ Law - ANSWERS-V = I x R
Ohms Law
Write the formula that relates Volts, Sensitivity and Pen Deflection - ANSWERS-V = S x
PD
In the 10-20 system, the acronym FCPOT stands for - ANSWERS-Frontal
Central
Parietal
Occipital
Temporal
In the 10-20 system, the sagittal, coronal planes are divided what % - ANSWERS-20%
From naison to Fpz is what %
From Inion to Oz is what %
From M1/M2 to T3/T4 is what % - ANSWERS-10%
From O1/O2 to Oz is what %
From Fp1/Fp2 to Fpz is what % - ANSWERS-5%
In the 10-20 system, the parasagettial planes (Fp1 to O1) and (Fp2 to O2) are divided
into what % - ANSWERS-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 -
ANSWERS-7.5cm (25% of 30cm)
For the following channels, list the :
LFF - HFF Sensitivity Sampling Rate
F4-M1
C4-M1
O2-M1
E1-M2
E2-M2 - ANSWERS-0.3 - 35Hz 7uv/mm 500Hz
For the following channels, list the:
LFF - HFF Sensitivity Sampling Rate
ECG - ANSWERS-0.3 - 70Hz 20uv/mm 500Hz
For the following channels, list the
