Figure 11- 1 the Neuron

Multiple Choice

Figure 11- 1 The Neuron
Use Figure 11- 1 to answer the following questions:
-The sodium- potassium ion exchange pump

A) transports sodium ions into the cell during depolarization.
B) moves sodium and potassium opposite to the direction of their electrochemical gradients.
C) depends on a hydrogen gradient for energy.
D) transports potassium ions out of the cell during repolarization.
E) must reestablish ion concentrations after each action potential.