What Is Primarily Responsible for the Development of a Resting

Multiple Choice

What is primarily responsible for the development of a resting membrane potential?

A) More diffusion and active transport of cations out of the cell than into the cell
B) Pumping 2 K+ ions out of the cell for every three Na+ ions pumped into the cell
C) More K+ ions diffusing into the cell than there are Na+ ions diffusing out of the cell
D) More anions diffusing into the cell than are diffusing out of the cell
E) None of the above are primarily responsible.