Question 11 of 20

Click on the correct answer to the following question:

The myelin sheath and the nodes of Ranvier on a myelinated nerve fiber enable a nerve's impulse to:

  1. conduct impulses at a much faster rate than an unmyelinated nerve of equal size
  2. conduct impulses at a much slower rate than an unmyelinated nerve of equal size
  3. the myelin sheath and nodes of Ranvier have no effect on a nerve's impulse