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5 Cards in this Set
- Front
- Back
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60 Hz artifacts can be caused by: a) Excessive sweating b) Electrical equipment c) Muscle tension d) Improper filter settings |
b) Electrical equipment |
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Muscle artifact consists of: a) HIgh amplitude, fast frequency activity b) Low amplitude, fast frequency activity c) High amplitude, slow frequency activity d) Low amplitude, slow frequency activity |
a) High amplitude, fast frequency activity |
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Which of the listed recommendations would be your last resort to reduce sweat artifact? a) Position a fan near the patient b) Cool the room c) Change the low frequency filter d) Use a towel to dry off the patients scalp |
c) Change the low frequency filter |
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Reducing the high frequecy filter setting from 35 Hz to 15 Hz in the EMG channels: a) Increases the amplitude of the signal b) Increases the frequency of the signal c) Decreases the amplitude of the signal d) Decreases the frequency of the signal |
c) Decreases the amplitude of the signal |
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Which of the following represents a referential montage? a) F4--C4, C4--O2, F4--O2 b) F4--M1, C4--M1, O2--M1 c) F3--C3, C3--O1, F3--O1 d) F3--F4, C3--C4, M1--M2 |
b) F4--M1, C4--M1, O2--M1 |
