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Sympathetic Division of the Autonomic Nervous System Quiz

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Sympathetic Division of the Autonomic Nervous System Quiz

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Questions and Answers

Where are the cell bodies of the preganglionic neurons located?

In the lateral horns (correct)
In the adrenal medullae
In the anterior roots
In the ganglia near the spinal cord

What neurotransmitter is released by preganglionic fibers to stimulate ganglionic neurons?

Serotonin
Dopamine
Acetylcholine (ACh) (correct)
Norepinephrine

Why is the sympathetic division also called the thoracolumbar division?

Because of the length of its postganglionic fibers
Due to the neurotransmitter released by its ganglionic neurons
Because of its influence on the adrenal medullae
Due to the location of its preganglionic neurons between segments T1 and L2 of the spinal cord (correct)

Where are the ganglia located in the sympathetic division?

Near the spinal cord (B) Signup and view all the answers

What is the function of the sympathetic division of the ANS?

Mobilizing the body’s energy and resources to respond to stressful situations (B) Signup and view all the answers

What is the function of the sympathetic preganglionic fibers in the sympathetic division?

To become part of the spinal anterior roots (C) Signup and view all the answers

Where do the sympathetic preganglionic fibers give rise to a myelinated white ramus communicans?

At each anterior root after passing through the intervertebral foramen (B) Signup and view all the answers

What is the function of the myelinated white ramus communicans in the sympathetic division?

To carry myelinated preganglionic fibers into a nearby sympathetic chain ganglion (B) Signup and view all the answers

What is the characteristic appearance of the sympathetic chain ganglia?

Like a string of pearls (C) Signup and view all the answers

How many ganglionic neurons does one preganglionic fiber synapse on in the sympathetic division?

Two dozen or more (A) Signup and view all the answers

Sympathetic Division of the Autonomic Nervous System Quiz

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Questions and Answers

Where are the cell bodies of the preganglionic neurons located?

What neurotransmitter is released by preganglionic fibers to stimulate ganglionic neurons?

Why is the sympathetic division also called the thoracolumbar division?

Where are the ganglia located in the sympathetic division?

What is the function of the sympathetic division of the ANS?

What is the function of the sympathetic preganglionic fibers in the sympathetic division?

Where do the sympathetic preganglionic fibers give rise to a myelinated white ramus communicans?

What is the function of the myelinated white ramus communicans in the sympathetic division?

What is the characteristic appearance of the sympathetic chain ganglia?

How many ganglionic neurons does one preganglionic fiber synapse on in the sympathetic division?

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