Which of the Following Is True of Ion Distribution Across

Multiple Choice

Which of the following is true of ion distribution across the axon membrane?

A) Sodium ions are concentrated outside the axon membrane.
B) Potassium ions are concentrated outside the axon membrane.
C) The action potential is the balance point between diffusion and electrostatic pressure.
D) Chloride ions are concentrated inside the axon membrane.
E) Sodium ions are concentrated inside the axon membrane.