RPSGT Exam
Which waveform occurs at it's maximum amplitude in the central region of the brain? - (correct Answer)
- Spindles and K complexes
Circadian rhythm control falls primarily under the control of what? - (correct Answer) - Suprachiasmatic
Nucleus (SCN)
On a 24-hour cycle, the level of alertness is closely linked to what? - (correct Answer) - Body temperature
In what area of the brain do most seizures occur? - (correct Answer) - Temporal
What structure is primarily involved in the control of wakefulness or alertness? - (correct Answer) -
Reticular activating system (RAS)
What is the "gateway" structure between the body and the cerebral cortex? - (correct Answer) -
Thalamus
Which neurochemical increases in REM sleep as well as wake? - (correct Answer) - Ach
Sleep spindles result from the blocking of information between the____________ and the cortex and
result from deactivation of the _________. - (correct Answer) - thalamus, RAS
Bright light therapy affects which anatomic structure? - (correct Answer) - SCN
A tonic-clonic seizure represents the mass firing or synchronization of large groups of neurons. Which
sleep stage would you LEAST expect to see seizure activity? - (correct Answer) - REM
Pontogeniculate (PGO) waves are an indicator of which sleep stage? - (correct Answer) - REM
The EEG observed in wake and REM are both characterized by what? - (correct Answer) - Asynchronous
EEG, low voltage, and mixed frequency
What general term is used to describe cues which synchronize our internal clock to the external
environment? - (correct Answer) - Zeitgebers
Which come under the influence of circadian rhythm control? - (correct Answer) - Body temperature,
hormone levels, and K+ levels
Destruction of the major endogenous circadian oscillator leads to: - (correct Answer) - Arrhythmicity
The technician observes muscle artifact in a single EEG channel that shares a common reference with
other channels. What is the appropriate response? - (correct Answer) - Re-reference the channel
showing artifact by changing the input signal derivation to a back-up exploring electrode
The preferred method of correcting undesirable artifacts during the recording process is to: - (correct
Answer) - Change the input signal derivations
Which waveform occurs at it's maximum amplitude in the central region of the brain? - (correct Answer)
- Spindles and K complexes
Circadian rhythm control falls primarily under the control of what? - (correct Answer) - Suprachiasmatic
Nucleus (SCN)
On a 24-hour cycle, the level of alertness is closely linked to what? - (correct Answer) - Body temperature
In what area of the brain do most seizures occur? - (correct Answer) - Temporal
What structure is primarily involved in the control of wakefulness or alertness? - (correct Answer) -
Reticular activating system (RAS)
What is the "gateway" structure between the body and the cerebral cortex? - (correct Answer) -
Thalamus
Which neurochemical increases in REM sleep as well as wake? - (correct Answer) - Ach
Sleep spindles result from the blocking of information between the____________ and the cortex and
result from deactivation of the _________. - (correct Answer) - thalamus, RAS
Bright light therapy affects which anatomic structure? - (correct Answer) - SCN
A tonic-clonic seizure represents the mass firing or synchronization of large groups of neurons. Which
sleep stage would you LEAST expect to see seizure activity? - (correct Answer) - REM
Pontogeniculate (PGO) waves are an indicator of which sleep stage? - (correct Answer) - REM
The EEG observed in wake and REM are both characterized by what? - (correct Answer) - Asynchronous
EEG, low voltage, and mixed frequency
What general term is used to describe cues which synchronize our internal clock to the external
environment? - (correct Answer) - Zeitgebers
Which come under the influence of circadian rhythm control? - (correct Answer) - Body temperature,
hormone levels, and K+ levels
Destruction of the major endogenous circadian oscillator leads to: - (correct Answer) - Arrhythmicity
The technician observes muscle artifact in a single EEG channel that shares a common reference with
other channels. What is the appropriate response? - (correct Answer) - Re-reference the channel
showing artifact by changing the input signal derivation to a back-up exploring electrode
The preferred method of correcting undesirable artifacts during the recording process is to: - (correct
Answer) - Change the input signal derivations
