SDS Exam – NBRC Exam Questions
and Answers A+ Graded (2025)
The .recommended .HFF .for .recording .electocardiograph .channel .is .- .CORRECT
.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 .- .CORRECT .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 .- .CORRECT .ANSWER-20cmH2O
What .is .max .CPAP .for .pts .under .12 .years .old? .- .CORRECT .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? .-
.CORRECT .ANSWER-Troublesome
Classify .the .following .MSLT .scores:
0 .- .5 .minutes...
6 .- .10 .minutes...
11 .- .15 .minutes...
16 .- .20 .minutes... .- .CORRECT .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 .- .CORRECT .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. .-
.CORRECT .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 .- .CORRECT .ANSWER-1.5 .to .3 .hours
MSLT .is .not .recommended .the .morning .after .what .type .of .study .- .CORRECT
.ANSWER-Split
MSLT .is .not .used .to .diagnose .narcolepsy .if .the .TST .on .the .prior .night .study .was
.less .than .____ .hours .- .CORRECT .ANSWER-6
State .2 .methods .for .ending .a .nap .in .an .MSLT .- .CORRECT .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 .- .CORRECT .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 .- .CORRECT .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... .- .CORRECT
.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 .-
.CORRECT .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 .- .CORRECT .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? .- .CORRECT .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 .- .CORRECT .ANSWER-PVC
Normal .QRS .interval .is .- .CORRECT .ANSWER-0.04 .- .0.10sec .(No .bigger .than .2.5
.tiny .boxes)
Normal .PR .interval .is .- .CORRECT .ANSWER-0.12-0.20 .sec .(No .bigger .than .1 .large
.box)
Formula .for .calculating .Hr .on .ECG .tracing .- .CORRECT .ANSWER-300 .% .# .of
.large .boxes .between .R .waves
Bradycardia .is .Hr .less .than .- .CORRECT .ANSWER-40 .bpm .while .asleep .for .longer
.than .2 .minutes
Describe .a .multi-focal .PVC .traching .- .CORRECT .ANSWER-negative .wide .QRS
.deflection
Couplet .on .ECG .refers .to .- .CORRECT .ANSWER-Two .PVC .in .a .row
Multiple .PVCs .in .a .row .can .cause .what .lethal .arrhythmia .- .CORRECT .ANSWER-
v-tach
Write .the .formula .that .relates .Volts, .Current .(I), .and .Resistance.
This .formula .is .also .known .as ._______________ .Law .- .CORRECT .ANSWER-V .= .I
.x .R
Ohms .Law
Write .the .formula .that .relates .Volts, .Sensitivity .and .Pen .Deflection .- .CORRECT
.ANSWER-V . = .S .x . PD
In .the .10-20 .system, .the .acronym .FCPOT .stands .for .- .CORRECT .ANSWER-
Frontal
Central
Parietal
Occipital
Temporal
In .the .10-20 .system, .the .sagittal, .coronal .planes .are .divided .what .% .- .CORRECT
.ANSWER-20%
From .naison .to .Fpz .is .what .%
From .Inion .to .Oz .is .what .%
From .M1/M2 .to .T3/T4 .is .what .% .- .CORRECT .ANSWER-10%
From .O1/O2 .to .Oz .is .what .%
From .Fp1/Fp2 .to .Fpz .is .what .% .- .CORRECT .ANSWER-5%
and Answers A+ Graded (2025)
The .recommended .HFF .for .recording .electocardiograph .channel .is .- .CORRECT
.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 .- .CORRECT .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 .- .CORRECT .ANSWER-20cmH2O
What .is .max .CPAP .for .pts .under .12 .years .old? .- .CORRECT .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? .-
.CORRECT .ANSWER-Troublesome
Classify .the .following .MSLT .scores:
0 .- .5 .minutes...
6 .- .10 .minutes...
11 .- .15 .minutes...
16 .- .20 .minutes... .- .CORRECT .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 .- .CORRECT .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. .-
.CORRECT .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 .- .CORRECT .ANSWER-1.5 .to .3 .hours
MSLT .is .not .recommended .the .morning .after .what .type .of .study .- .CORRECT
.ANSWER-Split
MSLT .is .not .used .to .diagnose .narcolepsy .if .the .TST .on .the .prior .night .study .was
.less .than .____ .hours .- .CORRECT .ANSWER-6
State .2 .methods .for .ending .a .nap .in .an .MSLT .- .CORRECT .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 .- .CORRECT .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 .- .CORRECT .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... .- .CORRECT
.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 .-
.CORRECT .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 .- .CORRECT .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? .- .CORRECT .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 .- .CORRECT .ANSWER-PVC
Normal .QRS .interval .is .- .CORRECT .ANSWER-0.04 .- .0.10sec .(No .bigger .than .2.5
.tiny .boxes)
Normal .PR .interval .is .- .CORRECT .ANSWER-0.12-0.20 .sec .(No .bigger .than .1 .large
.box)
Formula .for .calculating .Hr .on .ECG .tracing .- .CORRECT .ANSWER-300 .% .# .of
.large .boxes .between .R .waves
Bradycardia .is .Hr .less .than .- .CORRECT .ANSWER-40 .bpm .while .asleep .for .longer
.than .2 .minutes
Describe .a .multi-focal .PVC .traching .- .CORRECT .ANSWER-negative .wide .QRS
.deflection
Couplet .on .ECG .refers .to .- .CORRECT .ANSWER-Two .PVC .in .a .row
Multiple .PVCs .in .a .row .can .cause .what .lethal .arrhythmia .- .CORRECT .ANSWER-
v-tach
Write .the .formula .that .relates .Volts, .Current .(I), .and .Resistance.
This .formula .is .also .known .as ._______________ .Law .- .CORRECT .ANSWER-V .= .I
.x .R
Ohms .Law
Write .the .formula .that .relates .Volts, .Sensitivity .and .Pen .Deflection .- .CORRECT
.ANSWER-V . = .S .x . PD
In .the .10-20 .system, .the .acronym .FCPOT .stands .for .- .CORRECT .ANSWER-
Frontal
Central
Parietal
Occipital
Temporal
In .the .10-20 .system, .the .sagittal, .coronal .planes .are .divided .what .% .- .CORRECT
.ANSWER-20%
From .naison .to .Fpz .is .what .%
From .Inion .to .Oz .is .what .%
From .M1/M2 .to .T3/T4 .is .what .% .- .CORRECT .ANSWER-10%
From .O1/O2 .to .Oz .is .what .%
From .Fp1/Fp2 .to .Fpz .is .what .% .- .CORRECT .ANSWER-5%
