Physiology General physiology 1ddc270d Nernst potential of Na+ is A 94 B 61 C -64 D -94 High-Yield Explanation Equilibrium potential of ions is calculated by NERNST EQUATION. For Na, it is +60 mV to +55mV approximately (REF: GANONG'S REVIEW OF MEDICAL PHYSIOLOGY -23rd EDITION. Page No-7)