SDS Exam - NBRC Exam with Questions and Correct Answers 2025.

SDS Exam - NBRC Exam with Questions
and Correct Answers 2025




The ,recommended ,HFF ,for ,recording ,electrocardiograph ,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