Neuronal Excitation
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Neuronal Excitation
Q. Which of the following accurately describes the action of the sodium-potassium ATPase pump?
a
It acts along the neuronal concentration gradients and it redistributes 3 sodium ions out of the cell for every 2 potassium ions it pulls back into the cell.
b
It acts along the neuronal concentration gradients and it redistributes 2 sodium ions out of the cell for every 3 potassium ions it pulls back into the cell.
c
It acts against the neuronal concentration gradients and it redistributes 2 sodium ions out of the cell for every 3 potassium ions it pulls back into the cell.
d
It acts against the neuronal concentration gradients and it redistributes 3 sodium ions out of the cell for every 2 potassium ions it pulls back into the cell.
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