The function of the sodium-potassium pump is to actively move:a. sodium into the cell and ...

The function of the sodium-potassium pump is to actively move:a.
   sodium into the cell and potassium out of the cell
  b. sodium out of the cell and potassium into the cell
  c. sodium out of the cell and to block potassium movement
  d. both sodium and potassium out of the cell
  e. both sodium and potassium into the cell

Question 2

Which of the following statements about the speed of impulse conduction in a neuron is true?
  a. Longer axons can transmit impulses faster than shorter ones.
  b. Unmyelinated axons transmit impulses faster than myelinated ones.
  c. Shorter axons can transmit impulses faster than longer ones.
  d. Nerve impulses travel faster than the speed of light.
  e. Unmyelinated axons with larger diameters transmit impulses faster than ones with small diameters.