A patient is diagnosed with a rare disease that affects the heart's electrical conduction system. Which process is responsible for the rapid depolarization of cardiac cells in this situation?
Q1. A patient is diagnosed with a rare disease that affects the heart's electrical conduction system. Which process is responsible for the rapid depolarization of cardiac cells in this situation?
Answer: Fast sodium current in cardiac cells
Explanation: Fast sodium current is responsible for rapid depolarization in cardiac cells, while the other options are not directly involved in this process.