Multiple Choice
The sodium gates in the axon are usually closed. Which of the following opens them?
A) depolarization of the membrane
B) increased concentration of socium outside the cell
C) increased concentration of sodium inside the cell
D) increased activity of the sodium-potassium pump
Correct Answer:

Verified
Correct Answer:
Verified
Q5: A membrane produces an action potential whenever
Q19: Molecules that can cross the blood-brain barrier
Q51: Which type of glia remove waste material
Q80: When a membrane is at rest,what attracts
Q88: The resting potential is mainly the result
Q182: Astrocytes remove waste material created when neurons
Q183: An axon releases chemicals:<br>A) into the presynaptic
Q184: Briefly describe how the brain transports essential
Q188: A neuron's sodium gates are firmly closed
Q191: In the brain, an arrangement of endothelial