Which Two Factors Affect the Speed at Which the Action

Multiple Choice

Which two factors affect the speed at which the action potentialis conducted along a neuron's axon?

A) the diameter of the axon and whether the axon is wrapped with a myelin sheath
B) the number of dendrites and the size of the cell body
C) the type and number of axons projecting from the neuron
D) the size of the positive electrical charge just before an action potential occurs and the number of adjacent neurons