An action potential is ________.

The figure is a process figure of the chemical synapse. What does “A” represent?

The surface of the cerebral hemispheres consists of ridges and grooves. The shallow grooves are called ________.

Myelinated axons in the CNS are known as:

Which of the following is controlled by the somatic motor division?

If a stimulus to a neuron is great enough, ________ is reached and an action potential is generated.

The abducens nerves

Myelin is important in ________.

Which number on the graph represents when voltage-gated sodium channels are open?

The expression “all-or-none” means that ________.