Multiple choice

Electrocardiography is the process of recording the electrical activity of the heart by using electrodes placed on the skin. Which of the following gels is used to permit electron conduction from skin to wire and then to the electrocardiogram?

  1. Potassium chloride

  2. Cesium chloride

  3. Silver nitrate

  4. Rhodium

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A Correct answer
Explanation

To permit electron conduction from the skin to the wire and to the electrocardiogram, potassium chloride gel is used.