Polarity is best described as:

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Multiple Choice

Polarity is best described as:

Explanation:
Polarity is about which electrode is positive or negative relative to the other during stimulation. This sign determines which electrode is the anode and which is the cathode, and it sets the path the current takes through the tissue. It also influences the electrochemical reactions at the electrode–tissue interface and can affect tissue response and comfort. The size difference between electrodes changes current density and impedance, not which electrode is charged. The duration of the pulse governs timing, not polarity.

Polarity is about which electrode is positive or negative relative to the other during stimulation. This sign determines which electrode is the anode and which is the cathode, and it sets the path the current takes through the tissue. It also influences the electrochemical reactions at the electrode–tissue interface and can affect tissue response and comfort. The size difference between electrodes changes current density and impedance, not which electrode is charged. The duration of the pulse governs timing, not polarity.

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