Neuroscience Chapter: Neurons and Glial Cells
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Questions and Answers

What are the primary functions of neurons?

Transmission of electrical signals in the nervous system.

What are the main structural types of neurons?

Unipolar, bipolar, and multipolar neurons.

What is the function of glial cells in the peripheral nervous system?

Physical and metabolic support, and electrical insulation.

The myelin sheath is formed in both the CNS and PNS from the same type of cells.

<p>False</p> Signup and view all the answers

What are oligodendrocytes?

<p>Cells that form the myelin sheath in the central nervous system.</p> Signup and view all the answers

What is the blood-brain diffusion barrier?

<p>A selective barrier that protects the brain from harmful substances in the bloodstream.</p> Signup and view all the answers

Where are ependymal cells located, and what is their function?

<p>Ependymal cells line the ventricles of the brain and central canal of the spinal cord, and they produce and circulate cerebrospinal fluid.</p> Signup and view all the answers

What is the histological organization of the spinal cord?

<p>The spinal cord is organized into gray matter and white matter, with gray matter containing neuron cell bodies.</p> Signup and view all the answers

What are the connective tissue components of a nerve?

<p>Epineurium, perineurium, and endoneurium.</p> Signup and view all the answers

The somatic nervous system sends __________ motor innervation to skeletal muscles.

<p>voluntary</p> Signup and view all the answers

The autonomic nervous system includes _________ and _________ divisions.

<p>sympathetic, parasympathetic</p> Signup and view all the answers

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