Q. With reference to the action potential: (Solved)
1. decreasing the external Na+ concentration increases the size of the action potential
2. decreasing the external K+ concentration decreases the resting membrane potential
3. increasing the external Na+ concentration decreases the resting membrane potential
4. decreasing the external K+ concentration has little effect on the resting membrane potential
5. none of the above are true
- e. none of the above are true