Chapter 8.2 Flashcards
1
Q
What are the glial cells that produce layers of myelin sheathing similar to the insulation of an electrical wire?
A
Schwann cells
2
Q
What disease of the brain and spinal cord involves the immune system attacking the glial cells?
A
Multiple sclerosis
3
Q
What is the term for the inability of muscles to move?
A
Paralysis
4
Q
What is the electrical activity beginning with gates that allow sodium and potassium in and out of the cell?
A
Action potential
5
Q
What is the enclosed junction between two neurons or a neuron and another cell?
A
Synapse
6
Q
What nervous system disease affects posture and movement and includes stiffness and tremors of the limbs?
A
Parkinson’s disease
7
Q
What simplest act of the nervous system is a quick, automatic response?
A
Reflex
