In the context of neurons, which of the following is a function of the myelin sheath?
A) It facilitates the entry of electrically charged atoms in the fluids that encase the nervous system into the neurons.
B) It prevents electrical messages from traveling down an axon.
C) It facilitates the creation of neurotransmitters.
D) It minimizes leakage of the electric current being carried along an axon.

Question

Quizplus · Accepted Answer

The myelin sheath acts as an insulating layer around the axon of a neuron, which helps to prevent the leakage of electrical current as it travels along the axon. This insulation increases the speed of signal transmission.

In the Context of Neurons, Which of the Following Is