Textbook Question
Common findings in heart failure are fluid retention by the kidneys and stimulation of the heart by the sympathetic nervous system. How would both of these findings help the body to compensate for the failing heart?
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Ch. 14 The Autonomic Nervous System and Homeostasis
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Chapter 14, Problem L2.1a
Using 20 or fewer words, define each of the following terms in your own words.
a. Sympathetic nervous system
Verified step by step guidance1
Understand that the sympathetic nervous system is part of the autonomic nervous system, responsible for the body's 'fight or flight' response.
Recognize its role in increasing heart rate, dilating airways, and redirecting blood flow to muscles during stress or danger.
Note that it uses neurotransmitters like norepinephrine to activate target organs and tissues.
Identify its effects on energy mobilization, such as breaking down glycogen and releasing glucose into the bloodstream.
Remember that it works in opposition to the parasympathetic nervous system, which promotes 'rest and digest' functions.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Sympathetic Nervous System
The sympathetic nervous system is part of the autonomic nervous system that prepares the body for 'fight or flight' responses.
Recommended video:
1:21
Sympathetic Nervous System Example 3
Autonomic Nervous System
The autonomic nervous system regulates involuntary bodily functions, including heart rate, digestion, and respiratory rate.
Recommended video:
1:50Somatic vs. Autonomic Nervous System
Fight or Flight Response
The fight or flight response is a physiological reaction that occurs in response to perceived harmful events, attacks, or threats.
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9:59Steps of the Interferon Response
Related Practice
Textbook Question
You are running a race to the top of a mountain. Explain all the changes your sympathetic nervous system will initiate to maintain homeostasis as you run the race.
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Textbook Question
Regulation of heart rate, blood pressure, and digestive functions is carried out by the:
a. Somatic motor division of the peripheral nervous system.
b. Central nervous system.
c. Visceral sensory division of the peripheral nervous system.
d. Autonomic nervous system.
Textbook Question
The drug neostigmine blocks the activity of the enzyme acetylcholinesterase in the synaptic cleft. Predict the effects of this drug.
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Textbook Question
Using 20 or fewer words, define each of the following terms in your own words.
b. Parasympathetic nervous system
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Textbook Question
The sympathetic nervous system is also known as the ________ division because the cell bodies of its preganglionic neurons are located in the ________ .
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