This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
NERST's potential of Na+ is 
Select and explain. 
A. 60, B. -60, C. 90, D. -80
A: 60
Answer: A: 60 
Explanation: NERNST potential of an ion is the potential at which there is net flow of the ion across the cell membrane..........and for sodum it's about +55mv to +60mv REF: GANONG'S REVIEW OF MEDICAL PHYSIOLOGY -23rd EDITION. Page No-7)