Bio 264 Module 10’xbhd – Flashcards
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Which of the following statements about autonomic motor nerves is false?
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Autonomic motor nerves innervate skeletal muscle.
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The ______ division of the autonomic nervous system contains collateral ganglia.
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Sympathetic
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Which one of the following statements is true regarding the parasympathetic division of the ANS?
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The parasympathetic division only releases acetylcholine as a neurotransmitter.
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Which of these organs are innervated only bu the sympathetic division of the ANS?
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Adrenal medulla
Sweat glands
MOST blood vessels
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________ neurons are usually involved in the motor pathway of the autonomic nervous system.
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Two
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Autonomic preganglionic fibers are _______ and release _________.
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Myelinated; acetylcholine
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The ________ is the major nerve of the parasympathetic division of the autonomic nervous system.
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Vagus nerve
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Which region(s) of the spinal cord would you expect to find the cell bodies of most sympathetic neurons?
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Thoracic, limbar
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Which of the following is NOT a feature of the sumpathetic division of the autonomic nervous sustem?
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It has long preganglionic fibers.
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Which of the following is NOT a characteristic of the parasympathetic division of the autonomic nervous system?
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It has short preganglionic fibers.
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In which regions of the spinal cord does the parasympathetic division arise from?
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Brain and sacral
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_______ neurons pass through white rami, while_____ neurons pass through gray rami.
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Myelinated preganglionic; unmyelinated postganglionic
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Which of the following is primarily made up of adrenergic neurons?
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Postaganglionic neurons of the sumpathetic division
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_____ neurons that pass through sympathetic chain ganglia without synapsing are called ________ nerves.
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Preganglionic; splanchnic
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Preganglionic neurons from the thoracic and lumbar regions of the spinal cord are part of the _________ division.
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Sympathetic
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The paradympathetic nervous system has _______.
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Short postganglionic neurons near the organs the innervate
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Which of the following correctly defines differences between the sympathetic and parasympathetic divisions of the ANS?
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Length of the preganglionic and postganglionic axons.
Location of the preganglionic cell bodies.
Position of the ganglia where preganglionic and postganglionic neurons synapse.
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Where do sympathetic preganglionic neurons leave the spinal cord?
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Thoracic and lumbar regions
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Collateral ganglia are part of the
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Sympathetic division of the ANS
