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When the electrode held by the Esthetician is positive, the reaction on the skin is:

  1. Neutral

  2. Basic

  3. Acidic

  4. Alkaline

The correct answer is: Acidic

When the electrode held by the Esthetician is positive, it creates an acidic reaction on the skin. This is because positive electrodes attract negatively charged ions, such as chloride. This reaction produces hydrochloric acid, which is acidic. Therefore, the other options, including neutral, basic, and alkaline, are incorrect because they do not accurately describe the resulting reaction on the skin.