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EEG Study Guide for registry (ASET Review Questions) Questions With Solutions
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  • Electroencephalography

EEG Study Guide for registry (ASET Review Questions) Questions With Solutions Which of the following is not a unit for measuring alternating frequencies? A. Cycles per sec B. Volts C. Hertz D. Kilocycles B. Volts Which of the following describes the action of a capacitor? A. opposes change...

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  • October 26, 2024
  • 65
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • eeg study guide for registry
  • aset review questions questions with solutions

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  • Electroencephalography
  • Electroencephalography

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EEG Study Guide for registry (ASET Review
Questions) Questions With Solutions

Which of the following is not a unit for measuring alternating frequencies?

A. Cycles per sec

B. Volts

C. Hertz


D. Kilocycles B. Volts




Which of the following describes the action of a capacitor?

A. opposes changes in current flow

B. converts alternating current to direct current

C. creates direct current resistance


D. stores energy D. stores energy




What is a filter? A circuit that allows some frequencies to pass through it, while others are

blocked




What is an amplifier? A combination of electronic components designed to increase the

power, voltage or current of a signal.

,EEG Study Guide for registry (ASET Review
Questions) Questions With Solutions

A small fluctuating output recorded by the EEG instrument even when there is no input signal is

called:

a. output voltage

b. linear distortion

c. 60Hz interference


d. noise D. noise




The EEG amplifier is designed so that when input 1 is more negative then input 2, the deflection

will be? Upward




What is common mode rejection? the characteristic of an amplifier that rejects external

interference




Which of the following is most attenuated by a low frequency filter of 1 Hz?

A. .5hz

B. 5hz

C. 10 hz

,EEG Study Guide for registry (ASET Review
Questions) Questions With Solutions
D. .1hz D. 0.1hz




Time constant is defined as the time required - for the deflection to fall (decay) to 37% of

the peak deflection.




A high frequency setting of 35hz would attenuate 50hz muscle activity by approximately what

percentage? 40%




According to ACNS Guidelines, recording clinical EEG on digital media requires monitors to

have? Between 25 and 35 mm/second horizontal scaling and a minimum of 100 data

points/second to accurately display EEG on the monitor screen.




The filter creating a very narrow band pass that should rarely be used clinically-

a. LF 5.0 and HF 70hz

b. LF 5.0 and HF 15hz

c. LF 0.1 and HF 70hz


d. LF 0.1 and HF 15hz B. LF 5.0 and HF 15hz

, EEG Study Guide for registry (ASET Review
Questions) Questions With Solutions
During the recording of cerebral activity, the calibration input voltage is changed from 50uv to

100uv. What will be the result?

A. no effect on the activity being recorded

B. a two fold increase in amplitude

C. a one half reduction of amplitude


D. clipping of the waveform A. no effect on the activity being recorded




According the ACNS guidelines 2006, the minimum sampling rate for EEG Data, should be at

least____________times the highest high frequency filter setting. Three




In a record with 10hz alpha activity. When the display epoch is changed from 10 seconds per

display screen to 20 seconds per display screen, the frequency of the activity will be________

10hz




Guidelines for recording digital EEG are written by: The american clinical

neurophysiology society (ACNS)




The term RAM means: TEMPORARY MEMORY STORAGE THAT IS CRITICAL TO

RAPID COMPUTER OPERATIONS

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