Which of the following statements would be considered false regarding metal plate electrodes?
a. Metal plate electrodes are used in medical devices such as ECG machines and defibrillators.
b. Metal plate electrodes are only used in industrial applications for measuring corrosion rates.
c. Metal plate electrodes are used to measure the electrical activity of the heart in medical settings.
d. Metal plate electrodes are typically made of materials such as stainless steel or aluminum.