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Autonomic Nervous System (ANS)

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Questions and Answers

Which type of ganglion is the submucosal or Meissner's plexus located in?

Preganglionic ganglion

Sympathetic ganglion

Parasympathetic ganglion

Intramural ganglion (correct)

Which division of the autonomic nervous system has short preganglionic and long postganglionic nerve fibers?

Parasympathetic division

Special visceral efferent system

Sympathetic division (correct)

Both sympathetic and parasympathetic divisions

Where are the cell bodies of the preganglionic neurons of the parasympathetic division located?

In the nuclei of cranial nerves III, VII, IX, X and XI and in the intermediate gray column of the sacral segment of the spinal cord (correct)

In the first ganglia near the cranial and spinal origins of the nerve fibers

In the second ganglia near or in the organs innervated

In the intermediate gray column of the thoracic and lumbar segments of the spinal cord

What is the general characteristic of the preganglionic nerve fibers?

They are myelinated Signup and view all the answers

Which division of the autonomic nervous system has long preganglionic and short postganglionic nerve fibers?

Parasympathetic division Signup and view all the answers

What is the main function of the neurons in the special visceral efferent system?

To innervate the skeletal muscles that originate from the branchial arches and have visceral functions Signup and view all the answers

What is the main function of the Autonomic Nervous System (ANS)?

Regulating the internal environment of the body Signup and view all the answers

How does the Autonomic Nervous System differ from the Somatic Nervous System anatomically?

The ANS consists of two or more ganglia in its nerve pathways Signup and view all the answers

Which part of the Autonomic Nervous System is responsible for receiving stimuli from visceral organs?

General Visceral Afferent system (GVA) Signup and view all the answers

Where is the first ganglion located in the General Visceral Efferent system (GVE)?

Just outside the CNS (brain and spinal cord) Signup and view all the answers

Which system of the Autonomic Nervous System involves olfactory and gustatory stimuli?

Special Visceral Afferent system (SVA) Signup and view all the answers

What type of stimuli does the General Visceral Afferent system (GVA) receive?

Chemical and mechanical stimuli from visceral organs Signup and view all the answers