The plateau in the action potential of cardiac muscle results from the action of __________. A) Na⁺ inflow B) K⁺ inflow C) K⁺ outflow D) fast Ca²⁺ channels E) slow Ca²⁺ channels

Question

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The plateau in the action potential of cardiac muscle results from the action of slow Ca2+ channels, which allow a small but sustained influx of Ca2+ ions, maintaining depolarization and prolonging the action potential.

The Plateau in the Action Potential of Cardiac Muscle Results