Autonomic Nervous System Overview

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What is the main reason behind the term 'autonomic' being applied to the autonomic nervous system (ANS)?

The extrinsic innervation required for the beating of a heart.

The presence of independent rhythms and reflexes in target organs and tissues. (correct)

The location of cell bodies within the central nervous system.

The regulation of body activities under conscious control.

Which physiological process demonstrates the capability of the gut when isolated from the central nervous system?

Peristalsis to move chyme along. (correct)

Extrinsic innervation to maintain its functions.

Sensory feedback to adjust its operations.

Voluntary control over digestion.

What type of muscles does the autonomic nervous system (ANS) primarily innervate?

Cardiac muscle, skeletal muscles, and skin.

Smooth muscle, visceral muscles, and blood vessels.

Cardiac muscle, smooth muscle, and internal organs. (correct)

Skeletal muscles and internal organs.

Where do the cell bodies of motor neurons reside in the voluntary somatic nervous system?

In the central nervous system (CNS). Signup and view all the answers

What distinguishes the motor pathways of the autonomic nervous system (ANS) from those of the voluntary somatic nervous system?

Cell body locations of motor neurons. Signup and view all the answers

What is a fundamental feature of the autonomic nervous system (ANS) with respect to conscious control?

Regulates body activities generally not under conscious control. Signup and view all the answers

What is the neurotransmitter at the end organ as well as at the preganglionic synapse in the parasympathetic nervous system?

Acetylcholine Signup and view all the answers

Which division of the autonomic nervous system is responsible for 'mobilization & increased metabolism'?

Sympathetic division Signup and view all the answers

Where are all the preganglionic neurons of the parasympathetic nervous system located?

Brain stem or sacral levels of the spinal cord Signup and view all the answers

Which cranial nerve is responsible for stimulating digestive glands in the parasympathetic nervous system?

Cranial nerve X (Vagus) Signup and view all the answers

What is the neurotransmitter released by most postganglionic fibers in the sympathetic nervous system?

Noradrenaline (Norepinephrine) Signup and view all the answers

Which part of the body experiences vasoconstriction as a response in the sympathetic nervous system?

Skeletal muscles Signup and view all the answers

Autonomic Nervous System Overview

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Questions and Answers

What is the main reason behind the term 'autonomic' being applied to the autonomic nervous system (ANS)?

Which physiological process demonstrates the capability of the gut when isolated from the central nervous system?

What type of muscles does the autonomic nervous system (ANS) primarily innervate?

Where do the cell bodies of motor neurons reside in the voluntary somatic nervous system?

What distinguishes the motor pathways of the autonomic nervous system (ANS) from those of the voluntary somatic nervous system?

What is a fundamental feature of the autonomic nervous system (ANS) with respect to conscious control?

What is the neurotransmitter at the end organ as well as at the preganglionic synapse in the parasympathetic nervous system?

Which division of the autonomic nervous system is responsible for 'mobilization & increased metabolism'?

Where are all the preganglionic neurons of the parasympathetic nervous system located?

Which cranial nerve is responsible for stimulating digestive glands in the parasympathetic nervous system?

What is the neurotransmitter released by most postganglionic fibers in the sympathetic nervous system?

Which part of the body experiences vasoconstriction as a response in the sympathetic nervous system?

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