3. When a neuron generates an action potential, what happens to the potassium ions?

Question

a. The concentration of potassium ions becomes greater outside the neuron than inside it
b. The concentration of potassium ions becomes greater inside the neuron than outside it
c. The concentration of potassium ions becomes equal inside and outside the neuron
d. Nothing – potassium ions are not involved in action potentials

Answer 1

b. The concentration of potassium ions becomes greater inside the neuron than outside it