If the Sodium Ion Concentration Is 130 MM Outside and 12

Multiple Choice

If the sodium ion concentration is 130 mM outside and 12 mM in the cytoplasm, and sodium selective channels open with the membrane potential at +80 mV, which will occur?

A) The net flux of sodium ions will be inward.
B) The net flux of sodium ions will be outward.
C) There will be no net flux of sodium ions-it will be equal in and out.
D) There will be no movement of sodium ions across the membrane.
E) Sodium channels will inactivate.