RPSGT Prep Questions with Correct Answers (Grade A+)
Question 1: Known as the circadian rhythm pacemaker
Answer: (SCN) Suprachiasmatic nuclei
Question 2: Complaints of morning headaches with severe sleep apnea is a result of _____?
Answer: Severe O2 desat and hypercapnia
Question 3: Term linked with patients experiencing evening and nocturnal hallucinations associated
with dementia.
Answer: Sundowning
Question 4: Headbanging
Answer: Jactatio Capitis Noctuna
Question 5: Short circuit Leakage current Ground loop
Answer: Three potential sources of stray electrical current
Question 6: The number of "waves" (pen deflections) recorded in one second
Answer: Signal frequency
Question 7: Refers to the response time of the polygraph pens in relation to high and low frequency
filter settings during a calibration procedure.
Answer: Time constant
Question 8: Reduction in size or amplitude of a signal
Answer: Attenuation
Question 9: Undesirable variations in baseline during a recording, usually caused by sweat or
movement
Answer: Baseline sway
Page 1
, Question 10: Voltages originating from living tissues
Answer: Bio-electrical potentials
Question 11: Signals obtained by comparing voltages from two exploring electrodes
Answer: Bipolar derivation
Question 12: An amplifier component used for storing an electrical charge
Answer: Capacitor
Question 13: A ground connection shared by more than one instrument or appliance
Answer: Common ground
Question 14: Any material capable of transmitting an electrical current
Answer: Conductor
Question 15: Flow of electrical force along a conductor
Answer: Current
Question 16: Signal obtained from a pair of electrode sensors
Answer: Derivation
Question 17: Time required for a pen to descend to 37% of signal amplitude when a DC calibration
signal is applied to an amplifier
Answer: Fall Time Constant
Question 18: Electronic device designed to reduce or eliminate unwanted frequencies from passing
through the amplifier
Answer: Fliter
Question 19: Undesirable electrical pathway between two separate ground connections, resulting in a
possible hazard to the patient.
Answer: Ground loop
Page 2
Question 1: Known as the circadian rhythm pacemaker
Answer: (SCN) Suprachiasmatic nuclei
Question 2: Complaints of morning headaches with severe sleep apnea is a result of _____?
Answer: Severe O2 desat and hypercapnia
Question 3: Term linked with patients experiencing evening and nocturnal hallucinations associated
with dementia.
Answer: Sundowning
Question 4: Headbanging
Answer: Jactatio Capitis Noctuna
Question 5: Short circuit Leakage current Ground loop
Answer: Three potential sources of stray electrical current
Question 6: The number of "waves" (pen deflections) recorded in one second
Answer: Signal frequency
Question 7: Refers to the response time of the polygraph pens in relation to high and low frequency
filter settings during a calibration procedure.
Answer: Time constant
Question 8: Reduction in size or amplitude of a signal
Answer: Attenuation
Question 9: Undesirable variations in baseline during a recording, usually caused by sweat or
movement
Answer: Baseline sway
Page 1
, Question 10: Voltages originating from living tissues
Answer: Bio-electrical potentials
Question 11: Signals obtained by comparing voltages from two exploring electrodes
Answer: Bipolar derivation
Question 12: An amplifier component used for storing an electrical charge
Answer: Capacitor
Question 13: A ground connection shared by more than one instrument or appliance
Answer: Common ground
Question 14: Any material capable of transmitting an electrical current
Answer: Conductor
Question 15: Flow of electrical force along a conductor
Answer: Current
Question 16: Signal obtained from a pair of electrode sensors
Answer: Derivation
Question 17: Time required for a pen to descend to 37% of signal amplitude when a DC calibration
signal is applied to an amplifier
Answer: Fall Time Constant
Question 18: Electronic device designed to reduce or eliminate unwanted frequencies from passing
through the amplifier
Answer: Fliter
Question 19: Undesirable electrical pathway between two separate ground connections, resulting in a
possible hazard to the patient.
Answer: Ground loop
Page 2