psg final questions and answers 2024

The Ultradian process is the balance between REM and NonREM sleep Wakefulness is characterized by higher sympathetic activity Circadian rhythm is controlled by hypothalamic suprachiasmatic nucleus In teenagers __________ is noted worldwide phase delay sleep Ohm's law states Current equals voltage divided by resistance Polarity is the positive or negative nature of an electrical signal the G1 electrode in a differential amplifier is the exploring electrode During a sleep study the G1 electrode has an input of 5uV and the G2 signal has 10uV -5 Using two ground leads will cause ground loop The EEG signal in a sleep study use a ________ montage Referential The minimal sampling rate accepted by the AASM for a digital polysomnographic system is 200Hz