Textbook Question
The neurotransmitter at all synapses and neuromuscular or neuroglandular junctions in the parasympathetic division of the ANS is
(a) Epinephrine
(b) Norepinephrine
(c) Cyclic-AMP
(d) Acetylcholine
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Ch. 16 The Autonomic Nervous System and Higher-Order Functions
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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Table of contents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Not the one you use?Change textbook
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Martini, Nath, Bartholomew 11th EditionCh. 16 The Autonomic Nervous System and Higher-Order FunctionsProblem 15
Martini, Nath, Bartholomew 11th EditionCh. 16 The Autonomic Nervous System and Higher-Order FunctionsProblem 15Chapter 16, Problem 15
Which three collateral ganglia serve as origins for ganglionic neurons that innervate organs or tissues in the abdominopelvic region?
Verified step by step guidance1
Understand that collateral ganglia are part of the sympathetic nervous system and are located anterior to the vertebral column, serving as relay points for postganglionic neurons that innervate abdominal and pelvic organs.
Recall that the three main collateral ganglia are the celiac ganglion, superior mesenteric ganglion, and inferior mesenteric ganglion.
Identify that each of these ganglia corresponds to specific regions and organs: the celiac ganglion innervates organs like the stomach, liver, and spleen; the superior mesenteric ganglion targets parts of the small intestine and proximal large intestine; and the inferior mesenteric ganglion serves the distal large intestine, kidneys, bladder, and reproductive organs.
Recognize that these ganglia receive preganglionic fibers from the thoracic and lumbar splanchnic nerves, which synapse in the collateral ganglia before sending postganglionic fibers to the target organs.
Summarize that the three collateral ganglia serving as origins for ganglionic neurons innervating the abdominopelvic region are the celiac, superior mesenteric, and inferior mesenteric ganglia.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Collateral Ganglia
Collateral ganglia are clusters of nerve cell bodies located outside the sympathetic trunk, primarily involved in innervating abdominal and pelvic organs. They serve as relay points where preganglionic neurons synapse with postganglionic neurons that extend to target tissues.
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Ganglionic Neurons and Innervation
Ganglionic neurons are postganglionic neurons that transmit nerve signals from ganglia to specific organs or tissues. In the autonomic nervous system, these neurons regulate involuntary functions such as digestion and blood flow in the abdominopelvic region.
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Abdominopelvic Region Innervation
The abdominopelvic region includes organs like the stomach, intestines, kidneys, and reproductive organs. Understanding which collateral ganglia provide innervation helps explain how autonomic control is organized for these vital functions.
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Related Practice
Textbook Question
Which six plexuses in the thoracic and abdominopelvic cavities innervate visceral organs, and what are the effects of sympathetic versus parasympathetic stimulation?
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Textbook Question
All preganglionic autonomic fibers release______at their axon terminals, and the effects are always_____ .
(a) norepinephrine, inhibitory
(b) norepinephrine, excitatory
(c) acetylcholine, excitatory
(d) acetylcholine, inhibitory
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Textbook Question
How does the emergence of sympathetic fibers from the spinal cord differ from the emergence of parasympathetic fibers?
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Textbook Question
What two distinctive results are produced by the stimulation of sympathetic ganglionic neurons?
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Textbook Question
Which four pairs of cranial nerves are associated with the cranial segment of the parasympathetic division of the ANS?
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