MDCAT Physics MCQ #218

A hospital uses an electroencephalogram (EEG) to measure the brain's electrical activity. What type of AC signal is recorded by the EEG?

MDCAT Physics MCQ #218

  1. Question 1

    Q1. A hospital uses an electroencephalogram (EEG) to measure the brain's electrical activity. What type of AC signal is recorded by the EEG?

    • A) Sine wave
    • B) Square wave
    • C) Triangle wave
    • D) Alpha, beta, or theta waves

    Answer: Alpha, beta, or theta waves

    Explanation: The EEG records alpha, beta, or theta waves, which are types of AC signals, not sine, square, or triangle waves.