Impulses are Conducted Rapidly If ____________ is Present

Question

Impulses are conducted rapidly if ____________ is present.
A)Calcium
B)Sodium
C)Myelin
D)Spinal fluid

Accepted Answer

Myelin sheaths around nerve fibers increase the speed of impulse conduction through a mechanism called saltatory conduction, allowing impulses to jump from one node of Ranvier to the next.