Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 49.1, Problem 3CC
Summary Introduction
To explain: How adrenal medulla is able to produce effects throughout the body even though it receives input only from sympathetic nervous system and pre-ganglionic neurons.
Concept introduction:
Preganglionic fiber terminates in a ganglion. There are axons from sympathetic neurons that reach the adrenal medulla which is the inner portion of the adrenal gland.
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Most tissues regulated by the autonomic nervous system receive both sympathetic and parasympathetic input from postganglionic neurons. Responses are typically local. In contrast, the adrenal medulla receives input only from the sympathetic division and only from preganglionic neurons, yet responses are observed throughout the body. Explain why.
of Structures and Functions of the Autonomic Nervous System
Match the structure of the autonomic nervous system with the best description.
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Sympathetic division of ANs
Your stomach is innervated by nerves from the sympathetic and parasympathetic divisions of the ANS.
Acetylcholine
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Dual innervation
In the autonomic pathway, two groups of neurons are going to synapse at a
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at the ganglion.
Parasympathetic division of
ANS
You walk into your math class and realize you 19ve forgotten about the exam scheduled for today. You
Autonomic plexuses
feel your heart start to race, and your hands are getting sweaty. These reactions are due to the effects
Gangli
of the neurotransmitters
Preganglionic neurons of the
can synapse at the chain ganglia or pass through and
continue to other ganglia.
Preganglionic neurons and ganglionic fibers of…
Part D- Organization of the Sympathetic Nervous System
The divisions of the autonomic nervous system are distinctly organized.
Place the term into the bin that best describes its location.
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Short preganglionic fiber
Long preganglionic fiber
Long postganglionic fiber
Chain ganglia
Thoracolumbar origins
Vagus nerve (CN X)
Ganglia within target tissue
Pelvic nerves
Sympathetic division
Parasympathetic division
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Chapter 49 Solutions
Campbell Biology
Ch. 49.1 - Which division of the autonomic nervous system...Ch. 49.1 - Prob. 2CCCh. 49.1 - Prob. 3CCCh. 49.2 - When you wave your right hand, what part of your...Ch. 49.2 - People who are inebriated have difficulty touching...Ch. 49.2 - Prob. 3CCCh. 49.3 - How can studying individuals with damage to a...Ch. 49.3 - Prob. 2CCCh. 49.3 - Prob. 3CCCh. 49.4 - How can studying individuals with damage to a...
Ch. 49.4 - Individuals with localized brain damage have been...Ch. 49.4 - WHAT IF? Suppose that a person with damage to the...Ch. 49.5 - Prob. 1CCCh. 49.5 - Prob. 2CCCh. 49.5 - WHAT IF? If you could detect early-stage...Ch. 49 - How does the circuitry of a reflex facilitate a...Ch. 49 - What roles do the midbrain, cerebellum, thalamus,...Ch. 49 - A patient has trouble with language and has...Ch. 49 - Prob. 49.4CRCh. 49 - Prob. 49.5CRCh. 49 - Activation of the parasympathetic branch of the...Ch. 49 - Prob. 2TYUCh. 49 - Patients with damage to Wernickes area have...Ch. 49 - Prob. 4TYUCh. 49 - After suffering a stroke, a patient can see...Ch. 49 - Injury localized to the hypothalamus would most...Ch. 49 - Prob. 7TYUCh. 49 - Prob. 8TYUCh. 49 - SCIENTIFIC INQUIRY Consider an individual who had...Ch. 49 - Prob. 10TYUCh. 49 - WRITE ABOUT A THEME: INFORMATION In a short essay...Ch. 49 - SYNTHESIZE YOUR KNOWLEDGE Imagine you are standing...
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