Problem 4 A segment of nerve is 8 um in diameter and is 1.5 cm in length. The transmembrane potential Vm is 40 millivolts. The membrane conductances are: gk 0.375, gNa 0.02, and gci 0.57 mS/cm2. The resting potential is 34.7 mV. What is El, the equilibrium voltage for Clions? Ion Intra Extra K+ Na+ 300 90 35 450