Which of the following statements is not true?
A) Membrane potential is an electrical gradient across a membrane.
B) A decrease in membrane potential is referred to as membrane depoalarization.
C) The term repolarization is defined as the reestablishment of the original membrane potential.
D) The diffusion of potassium ions out of a nerve cell make the inside of the membrane negative.
E) The sodium channel in muscle and nerve cells is a voltage-gated channel.
Answer: D) The diffusion of potassium ions out of a nerve cell make the inside of the membrane negative.