A&P Exercise 16 Questions

Describe the function of an astrocyte

nourish neurons and provide a barrier between the nervous tissue and the blood

Describe the function of an ependymal cell

line the ventricles of the brain and serve as a barrier between the fluid (cerebrospinal fluid) and the nervous tissue

Describe the function of an oligodendrocyte

produce myelin in the CNS

The brain belongs to which division of the nervous system?

central nervous system

A spinal nerve belongs to which division of the nervous system?

peripheral nervous system

To which major division of the nervous system does the spinal cord belong?

central nervous system

Which division of the nervous system is dedicated to subconscious function?

autonomic nervous system

What does CNS stand for?

central nervous system

A neuron has three main parts. What are they?

dendrite, neuron cell body (soma), axon

In which part of the neuron is the nucleus found?

neuron cell body (soma)

What is another name for an efferent neuron?

motor neuron

If a neuron has a soma with a dendrite on one side and an axon on the other, what kind of neuron is it?

a bipolar neuron

Two adjacent neurons communicate with one another across a space. What is this space called?

synapse

In terms of function, how are glia different from neurons?

neurons transmit electrical and chemical signals, while glial cells support, nourish, and protect the neurons

In which one of the three nervous system divisions are neurolemmocytes located?

peripheral nervous system

Myelin is made of what kind of material?

lipoprotein