1|Page
NBRC SDS EXAM NEWEST 2025 TEST BANK|
COMPLETE 300 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+| NBRC SDS FINAL
EXAM REVIEW 2025 (BRAND NEW!!)
What type of therapy is used to treat delayed sleep phase syndrome -
ANSWER - light therapy
What is the minimum lux needed for light therapy to be effective -
ANSWER - 2500 lux (most patients use 10,000 lux)
Equipment attached to the nondominate arm that records patient motion
or activity on a graph - ANSWER - actigraphy
Poor EEG signal can be caused by - ANSWER - poor electrode contact
and/or electrode movement
insufficient paste & pressing on the electrode too firmly
Excessive paste or electrodes too close together may cause - ANSWER -
artifact (possible salt bridge)
Improper abrasion of the scalp may lead to - ANSWER - 60hz artifact
pg. 1
,2|Page
What are the 5 areas of the brain - ANSWER - Frontal
Central
Parietal
Occipital
Temporal
What is Sundowning? - ANSWER - When elderly patients get confused
in the early evening
What is an important factor to consider when dealing with a patient with
PTSD - ANSWER - Ask how is the best way to wake them up during the
night if needed
What is the role of the sympathetic nervous system - ANSWER - fight or
flight
what is the role of the parasympathetic nervous system - ANSWER -
controls smooth muscle
What is the pacemaker for circadian rhythm in the brain - ANSWER -
suprachiasmatic nucleus
What effect on sleep does a decrease in dopamine have? - ANSWER -
decrease sleep
pg. 2
,3|Page
If the distance between 2 R waves is between 3-5 large blocks, the rate is
______ - ANSWER - Normal
If the distance between 2 R waves is less than 3-5 large blocks, the rate
is ______ - ANSWER - greater than 90bpm (tachycardia)
If the distance between 2 R waves is greater than 3-5 large blocks, the
rate is ______ - ANSWER - less than 60bpm (bradycardia)
What is the formula for estimating HR on ECG - ANSWER - 300/(# of
large blocks btwn R waves)
What are the causes and treatment of sinus tach - ANSWER -
hypoxemia, pain, stress
oxygen
What are common causes and treatment of sinus brady - ANSWER -
blood loss, infection of heart, OSA
treat underlying cause
Odd EEG electrodes are placed on the - ANSWER - Left
Formula for voltage - ANSWER - V=sensitivity x pen deflection
What is the opposition to current - ANSWER - Impedance (resistance)
pg. 3
, 4|Page
Provides a path from the patient to earth - ANSWER - Grounding
If not correctly grounded, the patient may receive what - ANSWER -
Current (shock)
An unwanted current in a circuit that connects 2 points - ANSWER -
ground loop
How can a ground loop be avoided - ANSWER - connect all equipment
to a common ground point
What are 4 sources of leakage current - ANSWER - earth
enclosure
patient
patient auxillary (gradual loss from charged capacitor)
What is a lethal macro shock - ANSWER - >100-300mA
usually causes v fib
What are two primary reasons to record eye movements - ANSWER -
phasic bursts of REM seen in stage R
slow rolling eye movements seen at sleep onset
How many chin electrodes are typically used - ANSWER - 3 - 2 are
necessary and one is a backup for referencing
pg. 4
NBRC SDS EXAM NEWEST 2025 TEST BANK|
COMPLETE 300 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+| NBRC SDS FINAL
EXAM REVIEW 2025 (BRAND NEW!!)
What type of therapy is used to treat delayed sleep phase syndrome -
ANSWER - light therapy
What is the minimum lux needed for light therapy to be effective -
ANSWER - 2500 lux (most patients use 10,000 lux)
Equipment attached to the nondominate arm that records patient motion
or activity on a graph - ANSWER - actigraphy
Poor EEG signal can be caused by - ANSWER - poor electrode contact
and/or electrode movement
insufficient paste & pressing on the electrode too firmly
Excessive paste or electrodes too close together may cause - ANSWER -
artifact (possible salt bridge)
Improper abrasion of the scalp may lead to - ANSWER - 60hz artifact
pg. 1
,2|Page
What are the 5 areas of the brain - ANSWER - Frontal
Central
Parietal
Occipital
Temporal
What is Sundowning? - ANSWER - When elderly patients get confused
in the early evening
What is an important factor to consider when dealing with a patient with
PTSD - ANSWER - Ask how is the best way to wake them up during the
night if needed
What is the role of the sympathetic nervous system - ANSWER - fight or
flight
what is the role of the parasympathetic nervous system - ANSWER -
controls smooth muscle
What is the pacemaker for circadian rhythm in the brain - ANSWER -
suprachiasmatic nucleus
What effect on sleep does a decrease in dopamine have? - ANSWER -
decrease sleep
pg. 2
,3|Page
If the distance between 2 R waves is between 3-5 large blocks, the rate is
______ - ANSWER - Normal
If the distance between 2 R waves is less than 3-5 large blocks, the rate
is ______ - ANSWER - greater than 90bpm (tachycardia)
If the distance between 2 R waves is greater than 3-5 large blocks, the
rate is ______ - ANSWER - less than 60bpm (bradycardia)
What is the formula for estimating HR on ECG - ANSWER - 300/(# of
large blocks btwn R waves)
What are the causes and treatment of sinus tach - ANSWER -
hypoxemia, pain, stress
oxygen
What are common causes and treatment of sinus brady - ANSWER -
blood loss, infection of heart, OSA
treat underlying cause
Odd EEG electrodes are placed on the - ANSWER - Left
Formula for voltage - ANSWER - V=sensitivity x pen deflection
What is the opposition to current - ANSWER - Impedance (resistance)
pg. 3
, 4|Page
Provides a path from the patient to earth - ANSWER - Grounding
If not correctly grounded, the patient may receive what - ANSWER -
Current (shock)
An unwanted current in a circuit that connects 2 points - ANSWER -
ground loop
How can a ground loop be avoided - ANSWER - connect all equipment
to a common ground point
What are 4 sources of leakage current - ANSWER - earth
enclosure
patient
patient auxillary (gradual loss from charged capacitor)
What is a lethal macro shock - ANSWER - >100-300mA
usually causes v fib
What are two primary reasons to record eye movements - ANSWER -
phasic bursts of REM seen in stage R
slow rolling eye movements seen at sleep onset
How many chin electrodes are typically used - ANSWER - 3 - 2 are
necessary and one is a backup for referencing
pg. 4
