Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid?
A) sodium ions
B) chloride ions
C) calcium ions
D) potassium ions
E) magnesium ions

Question

Quizplus · Accepted Answer

After an action potential, potassium ions rapidly diffuse out of the cell and into the tissue fluid as part of the repolarization phase of the action potential. This movement of potassium ions out of the cell helps restore the cell's resting membrane potential.

Immediately After an Action Potential Is Propagated, Which One of the Following