If you treat a neuron with a drug that increases membrane permeability to Na+, how would you expect the equilibrium potential for Na+ to change?
A) increase
B) decrease
C) repolarize
D) remain unchanged

Question

Quizplus · Accepted Answer

The equilibrium potential for Na+ is determined by the concentration gradient of Na+ across the membrane, not by the membrane's permeability to Na+. Therefore, changing the permeability does not affect the equilibrium potential.

If You Treat a Neuron with a Drug That Increases