This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Resting membrane potential of nerve is equal to equilibrium potential of 
Select and explain. 
A. Na+, B. Cl-, C. K+, D. HCO3-
B: Cl-
Answer: B: Cl- 
Explanation: B i.e. Chloride ion