EEG Review Questions for ABRET| 510 Questions | With Complete Solutions

The basic unit for measuring current flow is____. c weight b.Coulomb c.Volt d.Ampere correct answer: Ampere The basic unit of resistance is____. a.Ohm b.Coulomb c.Ampere d.Volt correct answer: Ohm Which of the following is not a valid expression of Ohm's law? (in this equation E (electromotive force) is the dame as V (Voltage) a. R = E I or (R = V I) b. E = I R or (V = I R) c. I = E / R or (I = V/R) d. R = E / I or (R = V/ I) correct answer: R = E I or (R = V I) Which of the following is not a unit for measuring alternating frequencies? a. Cycles per second b. Volts c. Hertz d. Kilocycles correct answer: 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 a direct current resistance d. stores energy correct answer: stores energy A circuit that allows some frequencies to pass through it, while others are blocked is a ____. a. resistor b. transistor c. filter d. reactor correct answer: filter A combination of electronic components designed to increase the power, voltage or current of a signal a. amplifier b. line filter c. master gain control d. sensitivity correct answer: amplifier 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. 60 Hz interference d. noise correct answer: noise The EEG amplifier is designed so that when input 1 is more negative than input 2, the deflection will be ____. a. downward b. upward c. absent d. sinusoidal correct answer: upward Common Mode Rejection is ____.