Na Action Potential Tracings from Neurons In Action cross ha

Na Action Potential Tracings from Neurons In Action. cross hair x 0.825 y -36.4214 Close Hide 80 r Membrane Voltage vs Time ENa Hodgkin Hucley Channels 40 Stimu us Current -40 Hide Close 5 ms

Potassium conductance is lower at point 4 than at point 3. This is because potassium is exchanged with sodium (Na) ions and due to this potassium conductance is lower than the sodium ions at point 4 than point 3.