SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
What is CMRR and what is it used for - ANSWER---Common
Mode Rejection Ratio
Filter unwanted electrical signals
Two other names for 60Hz artifact - ANSWER---Line Filter
Notch Filter
What terms describes the time in sec for a waveform to drop
to 37% of its calculated amplitude - ANSWER---Time Constant
Maximum allowable impedance value - ANSWER---5
KOhms
Minimum digital resolution - ANSWER---12 bits per sample
A pt with Parkinsons disease is scheduled for an overnight
sleep study. Which of the following disorders should the sleep
tech expect to see during the study? - ANSWER---CSA
After completing a sleep study a pt has a sleep efficiency of
83%. What is the most likely diagnosis of this pt - ANSWER---
Normal
,SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
How is sleep efficiency calculated - ANSWER---
TST/TRT(TIB)
Classifty the following sleep efficiency scores:
80 - 94%
Less than 80%
More than 95% - ANSWER---Normal
Insomnia
High sleep efficiency
A pt is noted to have EDS but no REM onset. The pt has
indicated she sometimes sleeps 14 hours per day. The sleep tech
would classify this situation as - ANSWER---Idiopathic insomnia
This dysomnia presents as EDS but without sleep onset
REM or cataplexy - ANSWER---Idiopathic Hypersomnia (Primary
Hypersomnia)
List two types of Recurrent Hypersomnia - ANSWER---1.
Klein Levin
2. Menstrual Related
,SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
This type of Reccurrent Hypersomnia presents with odd
behaviors such as bindge eathing, hypersexuality and confusion)
...more common in men - ANSWER---Klein Levin syndrome
(Low volt slow wave EEG)
A sleep tech notices that the ECG channel shows a varying
Hr with irregular rhythm. The QRS is approx. 0.15sec wide and
only occurs occasionally? What should the sleep tech
recommend? - ANSWER---O2 therapy
Which uses a battery, a thermocouple or a thermistor -
ANSWER---Thermistor
After 3 hours of a split night study a pt has 90 documented
central apneas and no obstructive apneas. Minimal hypopneas
are seen. What should the sleep tech FIRST recommend for the
pt - ANSWER---CPAP not BiLevel
After 3 hours of a split night study a pt has 90 documented
central apneas and no obstructive apneas. Minimal hypopneas
are seen. Which should the tech recommend - ANSWER---APAP
, SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Which of the following is most likely associated with sleep
apnea?
Drug addiction
Morbid Obesity
Diabetes Mellutis
Chronic Bronchitis - ANSWER---Morbid Obesity
A pt is found to have complied with home CPAP use during
a follow-up evaluation. Pt reports no daytime sleepiness and
improve sleep. Current CPAP is 8cmH2O. The Pt lost 40 lbs since
last PSG and has a current BMI of 26kg/m2. A repeat study after2
nights off CPAP shows AHI 5 and lowest SpO2 92%. EtCO2 is
within normal limits and ABG is:
7.37
PaO2 99torr
PaCO2 42torr
HCO3 24mEq/l
CPAP is not administered during the second study. When
communicating with the physician, the sleep tech should
recommend that CPAP should be:
Terminated
Continued
Retitrated
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
What is CMRR and what is it used for - ANSWER---Common
Mode Rejection Ratio
Filter unwanted electrical signals
Two other names for 60Hz artifact - ANSWER---Line Filter
Notch Filter
What terms describes the time in sec for a waveform to drop
to 37% of its calculated amplitude - ANSWER---Time Constant
Maximum allowable impedance value - ANSWER---5
KOhms
Minimum digital resolution - ANSWER---12 bits per sample
A pt with Parkinsons disease is scheduled for an overnight
sleep study. Which of the following disorders should the sleep
tech expect to see during the study? - ANSWER---CSA
After completing a sleep study a pt has a sleep efficiency of
83%. What is the most likely diagnosis of this pt - ANSWER---
Normal
,SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
How is sleep efficiency calculated - ANSWER---
TST/TRT(TIB)
Classifty the following sleep efficiency scores:
80 - 94%
Less than 80%
More than 95% - ANSWER---Normal
Insomnia
High sleep efficiency
A pt is noted to have EDS but no REM onset. The pt has
indicated she sometimes sleeps 14 hours per day. The sleep tech
would classify this situation as - ANSWER---Idiopathic insomnia
This dysomnia presents as EDS but without sleep onset
REM or cataplexy - ANSWER---Idiopathic Hypersomnia (Primary
Hypersomnia)
List two types of Recurrent Hypersomnia - ANSWER---1.
Klein Levin
2. Menstrual Related
,SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
This type of Reccurrent Hypersomnia presents with odd
behaviors such as bindge eathing, hypersexuality and confusion)
...more common in men - ANSWER---Klein Levin syndrome
(Low volt slow wave EEG)
A sleep tech notices that the ECG channel shows a varying
Hr with irregular rhythm. The QRS is approx. 0.15sec wide and
only occurs occasionally? What should the sleep tech
recommend? - ANSWER---O2 therapy
Which uses a battery, a thermocouple or a thermistor -
ANSWER---Thermistor
After 3 hours of a split night study a pt has 90 documented
central apneas and no obstructive apneas. Minimal hypopneas
are seen. What should the sleep tech FIRST recommend for the
pt - ANSWER---CPAP not BiLevel
After 3 hours of a split night study a pt has 90 documented
central apneas and no obstructive apneas. Minimal hypopneas
are seen. Which should the tech recommend - ANSWER---APAP
, SDS EXAM-NBRC NEWEST ACTUAL EXAM AND
PRACTICE EXAM 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Which of the following is most likely associated with sleep
apnea?
Drug addiction
Morbid Obesity
Diabetes Mellutis
Chronic Bronchitis - ANSWER---Morbid Obesity
A pt is found to have complied with home CPAP use during
a follow-up evaluation. Pt reports no daytime sleepiness and
improve sleep. Current CPAP is 8cmH2O. The Pt lost 40 lbs since
last PSG and has a current BMI of 26kg/m2. A repeat study after2
nights off CPAP shows AHI 5 and lowest SpO2 92%. EtCO2 is
within normal limits and ABG is:
7.37
PaO2 99torr
PaCO2 42torr
HCO3 24mEq/l
CPAP is not administered during the second study. When
communicating with the physician, the sleep tech should
recommend that CPAP should be:
Terminated
Continued
Retitrated
