CNIM Practice Test Questions Answered Correctly – Expert Verified | Latest Version 2024/2025

A 10Hz signal passing through a 10Hz locut filter will be: A) Reduced in frequency to approximately 7hz B) Affected in no way C) Reduced in amplitude by approximately 30% D) Eliminated - C) Reduced in amplitude by approximately 30% A 60Hz notch filter should not be used for evoked potential recording because of: A) The ringing artifact that comes from distortion of the stimulus artifact B) Aliasing of the signal by the filter C) 60Hz interference coming from various OR equipment D) Common mode rejection ration of 60Hz prior to filtering - A) The ringing artifact that comes from distortion of the stimulus artifact A decrease in the power spectral edge indicates: A) Nothing B) Insufficient brain perfusion C) Increased anesthesia D) A greater proportion of EEG power at the lower frequencies - D) A greater proportion of EEG power at the lower frequencies A differential amplifier with a gain of 1,000,000 has a 0.2uV signal at its positive input and a 0.8uV signal at its negative input. The output will be: A) An upward peak of 0.6V B) A downward peak of 0.6V C) An upward peak of 1V D) A downward peak of 1V - B) A downward peak of 0.6V