EEG Practice Exam| 132 Questions | With Complete Solutions

The most appropriate setting a technologist would use to control the frequency band of waveforms on a recording is the: correct answer: low filter Which of the following would be the MOST important to document during a PSG? A. Number of awakenings B. Occasional PVC's C. Position changes D. Presence of PLM's correct answer: position changes The importance of selecting sampling rates according to the recommended guidelines is to: correct answer: minimize aliasing effect What process would be an adequate routine procedure for disinfecting cup EEG electrodes after removing adhesive residue, gel and organic material, and washing in warn water and mild detergent? correct answer: soaking in 1:10 bleach and water for 10 minutes The ability to remontage while recording on digital equipment is in the result of: correct answer: common mode rejection according to recommended guidelines, unattended portable monitoring can be used as an alternative to in-lab testing when: correct answer: there is high probability of moderate to severe OSA without comorbid conditions Which of the following BEST describes a referential montage? A. there is potential for electrode contamination B. Impendance values are less important. C. common mode rejection will not be effective. D. Localization is by phase reversal correct answer: there is potential for electrode contamination according the recommended guidelines, four nap opprotunities on an MSLT would be acceptable when the patient: correct answer: had rem on at least 2 nap opprotunities Which of the following can negatively impact all bioelectric channels? correct answer: dislodged system reference electrode When intermittent 60hz activity occurs in the F4-M1 electrodes during REM sleep the BEST IMMEDIATE action would be to: correct answer: Rely on F3-M2