Ch. 12B: Central Nervous System

Front

Cerebrospinal fluid forms a liquid cushion of constant volume around the brain. (T/F)

Back

True

Front

The ___ ___ is the strongest meninx made up of two layers of fibrous connective tissue.

Back

dura mater

Front

Which slow-wave sleep stages of NREM are presumed to be restorative stages?

Back

NREM stages 3 & 4

Front

How is glucose, amino acids, and specific ions moved to the brain?

Back

Facilitated diffusion

Front

Which layer of the meninges is the middle layer with spiderweb-like extensions?

Back

arachnoid mater

Front

What is the primary function of the central nervous system?

Back

To process and transmit information throughout the body.

Front

What are the three main parts of the brain?

Back

Cerebrum, cerebellum, and brainstem.

Front

What is the role of the blood-brain barrier?

Back

To protect the brain from harmful substances while allowing essential nutrients to pass.

Front

What is the function of the spinal cord?

Back

To transmit signals between the brain and the rest of the body.

Front

What are the two main types of cells in the nervous system?

Back

Neurons and glial cells.