Question

The myelin sheath on a neuron allows nerve impulses to be faster because A. neurotransmitter molecules are released in greater amounts. B. the myelin sheath covers the entire axon. C. nerve impulses jump from node to node as they move down the axon. D. the threshold is met much faster.

Answer 1

The answer is B Because fat (myelin) acts as an insulator, membrane coated with myelin will not conduct an impulse.

Answer 2

The Correct Answer is C.

Explanation: nerve impulses jump from node to node as they move down the axon.