Ch 9-12 Review

Front

What is the function of the limbic system?

Back

The limbic system is responsible for the establishment of emotional states and related behaviors.

Front

What are the fluid-filled spaces within the brain called, and what do they contain?

Back

The fluid-filled spaces are called ventricles, and they are filled with cerebrospinal fluid.

Front

Which two types of cells have similar functions in the nervous system?

Back

Schwann cells and oligodendrocytes both function to insulate and support neurons.

Front

Which part of a neuron is responsible for generating an action potential?

Back

The axon is capable of generating an action potential.

Front

Which type of muscle cells has the least ability to regenerate?

Back

Cardiac muscle cells have the least ability to regenerate.

Front

What is the primary role of astrocytes in the nervous system?

Back

Astrocytes support neurons, maintain the blood-brain barrier, and regulate blood flow.

Front

What is the role of ependymal cells?

Back

Ependymal cells line the ventricles of the brain and produce cerebrospinal fluid.

Front

What is the function of microglial cells?

Back

Microglial cells act as the immune defense in the central nervous system.

Front

What is the difference between Schwann cells and oligodendrocytes?

Back

Schwann cells myelinate peripheral nerves, while oligodendrocytes myelinate central nervous system axons.

Front

What is the significance of the myelin sheath?

Back

The myelin sheath insulates axons and increases the speed of action potentials.