system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Resting membrane potential is mainly due to:
assistant
The correct answer is  Nernst equilibrium potential for K+ =-94 mV is much close to RMP value of -90mV in nerves Nernst equilibrium potential for Na+= +61mv Hence RMP is close to or mainly due to K+ ion.