Polysomnography questions with correct answers

The standard epoch length used in polysomnography recordings is: CORRECT ANSWER 10mm/sec - 30 sec epoch -or- 15mm/sec - 20 sec epoch (Neuro) The initial recording equipment calibration for polysomnography should show: CORRECT ANSWER the filters (high, low and 60Hz) and sensitivity for each channel to be the same. In addition to EEG, EOG and EMG (submental) monitoring, what is crucial for the interpretation of a polysomnographic recording in infants? CORRECT ANSWER behaviors and observations A pt. has typical complaints of non-restorative sleep. Prior to starting his study, he reports that he has recently been treated w/ sedative meds. During the PSG, you might expect the: CORRECT ANSWER EEG activity to show increased alpha and background fast activity Electrode impedence should not exceed: CORRECT ANSWER 5000 ohms The biological calibration at the start of the PSG should include: CORRECT ANSWER eyes open, eyes closed, look left, look right, up, down, blink eyes X5 slowly, grit teeth, clench jaw or smile, inhale, exhale, hold breath 10 sec, flex left foot, right foot, and documentation of each action. When calibrating an analog EEG system, it is necc. to: CORRECT ANSWER allow time for the pens to return to baseline