MDCAT Physics MCQ #634

A patient with a pacemaker is prescribed an ECG monitoring device. Which type of current is involved in ECG signals?

MDCAT Physics MCQ #634

  1. Question 1

    Q1. A patient with a pacemaker is prescribed an ECG monitoring device. Which type of current is involved in ECG signals?

    • A) Alternating current (AC)
    • B) Direct current (DC)
    • C) Pulsating direct current (PDC)
    • D) Stepping direct current (SDC)

    Answer: Direct current (DC)

    Explanation: ECG signals involve direct current (DC), as they are a steady flow of ions through the heart muscle.