Exam 9: The Nervous System Part I: the Information Super Highway

The third, innermost layer of the meninges is called the ________.

The segments of the spinal cord are named for their function.

The glial cells which remove debris are called ____________.

A synapse is a junction between two nodes of Ranvier.

Between adjacent glial cells on axons are tiny bare spots called ________.

Myasthenia gravis is an autoimmune disorder in which the immune system attacks and destroys acetylcholine receptors.

A cell which is more negatively charged than at rest is ________.

Inflammation of the membranes covering the brain and spinal cord is called ________.

Dendrites generate and send signals to other cells.

The autonomic system controls voluntary movement.

If a cell is more positively charged than it is when resting, it is said to be ________.

Guillain-Barré' syndrome is incurable.

The part of the nervous system which is located outside the brain and spinal cord is called the ____________ system.

Which spinal cord tracts carry sensory information?

Neurons are able to generate tiny electrical currents by changing the ____________ of their membranes.

Neurons that carry information between neurons are called ________.

Sensory neurons are also called ________.

The outermost of the meninges is the ________.

There are eight cervical nerves.

____________ inhibit the release of pain neurotransmitters.