When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: 21:49 Nervous System When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: a. repolarization c. saltatory conduction b. refraction d. diffusion Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+