Textbook Question
Collateral sympathetic ganglia are involved with innervating
a. abdominal organs
b. thoracic organs
c. head
d. arrector pili
e. all of these
Ch. 14 The Autonomic Nervous System
Hoehn, Haynes, Abbott12th EditionMarieb Human Anatomy & PhysiologyISBN: 9780138242732
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Table of contents
- Ch. 1 The Human Body: An Orientation25
- Ch. 2 Chemistry Comes Alive24
- Ch. 3 Cells: The Living Units24
- Ch. 4 Tissue: The Living Fabric19
- Ch. 5 The Integumentary System12
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton14
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System25
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue23
- Ch. 12 The Central Nervous System25
- Ch. 13 The Peripheral Nervous System and Reflex Activity30
- Ch. 14 The Autonomic Nervous System16
- Ch. 15 The Special Senses26
- Ch. 16 The Endocrine System26
- Ch. 17 Blood27
- Ch. 18 The Cardiovascular System: The Heart25
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues16
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses27
- Ch. 22 The Respiratory System21
- Ch. 23 The Digestive System31
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System26
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System24
- Ch. 28 Pregnancy and Human Development25
- Ch. 29 Heredity11
Hoehn, Haynes, Abbott12th EditionMarieb Human Anatomy & PhysiologyISBN: 9780138242732Not the one you use?Change textbook
Chapter 14, Problem 2a
Relate each of the following terms or phrases to either the sympathetic (S) or parasympathetic (P) division of the autonomic nervous system:
______ (1) Short preganglionic, long postganglionic fibers
______ (2) Intramural ganglia
______ (3) Craniosacral part
______ (4) Adrenergic fibers
______ (5) Cervical ganglia
______ (6) Otic and ciliary ganglia
Verified step by step guidance1
Step 1: Understand the basic anatomical and functional differences between the sympathetic (S) and parasympathetic (P) divisions of the autonomic nervous system. The sympathetic division typically has short preganglionic fibers and long postganglionic fibers, while the parasympathetic division has long preganglionic fibers and short postganglionic fibers.
Step 2: For the term 'Short preganglionic, long postganglionic fibers,' identify which division matches this description. Recall that the sympathetic division is characterized by short preganglionic and long postganglionic fibers.
Step 3: For 'Intramural ganglia,' recognize that these ganglia are located within or very close to the target organ walls, a hallmark of the parasympathetic division.
Step 4: 'Craniosacral part' refers to the origin of the parasympathetic division, which arises from the brainstem (cranial nerves) and sacral spinal cord segments, distinguishing it from the thoracolumbar origin of the sympathetic division.
Step 5: 'Adrenergic fibers' release norepinephrine as their neurotransmitter and are typically associated with the sympathetic division, whereas parasympathetic fibers are cholinergic (release acetylcholine).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Sympathetic and Parasympathetic Divisions of the Autonomic Nervous System
The autonomic nervous system has two main divisions: sympathetic and parasympathetic. The sympathetic division prepares the body for 'fight or flight' responses, while the parasympathetic division supports 'rest and digest' activities. Each division has distinct anatomical and functional characteristics that influence organ function differently.
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Review of the Sympathetic and Parasympathetic Divisions
Preganglionic and Postganglionic Fiber Lengths
Preganglionic fibers originate in the central nervous system and synapse in autonomic ganglia, where they connect to postganglionic fibers that reach target organs. In the sympathetic division, preganglionic fibers are typically short and postganglionic fibers are long, whereas in the parasympathetic division, preganglionic fibers are long and postganglionic fibers are short.
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Types and Locations of Autonomic Ganglia
Autonomic ganglia are clusters of nerve cell bodies where preganglionic neurons synapse with postganglionic neurons. Sympathetic ganglia include paravertebral (e.g., cervical) and prevertebral ganglia, while parasympathetic ganglia are often intramural (within or near target organs) or specific named ganglia like otic and ciliary ganglia.
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Related Practice
Textbook Question
Which ANS fibers release acetylcholine? Which release norepinephrine?
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Textbook Question
The white rami communicantes contain what kind of fibers?
a. Preganglionic parasympathetic
b. Postganglionic parasympathetic
c. Preganglionic sympathetic
d. Postganglionic sympathetic
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Textbook Question
All of the following characterize the ANS except
a. A two-neuron efferent chain
b. Presence of neuron cell bodies in the CNS
c. Presence of neuron cell bodies in the ganglia
d. Innervation of skeletal muscles
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