Q. Action potential initiation in the sinoatrial and atrioventricular nodes results from: (Solved)
1. Na+ influx
2. K+ influx
3. Ca++ influx
4. Na+ and Ca++ influx
5. increased K+ conductance
- c. Ca++ influx
1. Na+ influx
2. K+ influx
3. Ca++ influx
4. Na+ and Ca++ influx
5. increased K+ conductance