Asked by Katie Hernandezö on Jul 17, 2024
Verified
Which of the following statements is FALSE?
A) Sympathetic has extensive branching of preganglionic fibers and parasympathetic has little branching of preganglionic fibers.
B) Sympathetic division has short preganglionic fibers and long postganglionic fibers; parasympathetic division has long preganglionic fibers and short postganglionic fibers.
C) Sympathetic origin is craniosacral; parasympathetic is thoracolumbar.
D) Sympathetic ganglia are close to the CNS; parasympathetic ganglia are close to the organs they serve.
Thoracolumbar
Pertains to the thoracic (chest) and lumbar (lower back) sections of the spine.
Craniosacral
Pertaining to the cranium and sacrum, a therapeutic approach focusing on the flow of cerebrospinal fluid between these areas.
Preganglionic Fibers
Nerve fibers that extend from the central nervous system to a ganglion in the autonomic nervous system.
- Differentiate the functions of the sympathetic and parasympathetic nervous systems.
- Analyze the physiological differences between the sympathetic and parasympathetic nervous systems.
Verified Answer
GO
Grace OwusuJul 23, 2024
Final Answer :
C
Explanation :
The sympathetic nervous system originates in the thoracolumbar region of the spinal cord, while the parasympathetic nervous system originates in the craniosacral regions. The statement in option C incorrectly swaps these origins.
Learning Objectives
- Differentiate the functions of the sympathetic and parasympathetic nervous systems.
- Analyze the physiological differences between the sympathetic and parasympathetic nervous systems.
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