Question

Conduction of impulses via saltatory mode in myelinated neurons is ___ than unmyelinated neurons.

Answer 1

Conduction of impulses in myelinated neurons is faster than unmyelinated neurons. This is because myelin forces the action potential to jump from one node of Ranvier to the next. Na+ channels accumulate in the nodes of Ranvier. In large myelinated axons, the conduction can be as much as 100 m/sec, or 220 miles per hour. The propagation speed is slower in small, unmyelinated fibres.