Surgery The contribution of operation of sodium potassium electrogenic pump for the development of net -90 millivolt on resting membrane potential is A -4 millivolt B -80 millivolt C -70 millivolt D +4 millivolt 💡 Explanation The contribution of operation of sodium potassium electrogenic pump for the development of net -90 millivolt on resting membrane potential is ✓ Correct Answer: A. -4 millivolt