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Cards In This Set
| Front | Back |
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What does the Autonomic Nervous
System and Higher Order of Functions do?
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Routine homestatic adjustments,
coordinates internal functions, adjusts
internal concentrations
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The Efferent PNS consist ______ & _____
nervous systems. Each control what?
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SNS controls skeletal muscles and ANS
controls visceral effectors
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The ANS contains 2 subdivisions:
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The sympathetic division and the parasympathetic division
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The sympathetic division has a synapse where?
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On the ganglia near the spinal cord
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The sympathetic division prepares the body for what?
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Heightened levels of somatic activity
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The sympathetic division deals with what type of response?
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"fight or flight response"
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The parasympathetic division has a synapse where?
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On the ganglia close to target organs
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The parasympathetic division stimulates what kind of activity?
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Visceral activity
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The parasympathetic division conserves and promotes what?
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Conserves energy and promotes sedentary activities
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The sympathetic division consists of what?
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Preganglionic neurons and ganglionic neurons
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Where are preganglionic neurons located?
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Between segments t1 and l2
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Ganglionic neurons are located?
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In ganglia near the vertebral column
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The ganglionic neurons occur in 3 locations:
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1. sympathetic chain ganglia
2. collateral ganglia
3. adrenal medullae
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After passing through the inervertebral foramen, each ventral root carries what?
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Myelinated preganglionic fibers into a nearby sympathetic ganglion
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Extensive divergence occurs with?
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One preganglionic fiber synapsing on two dozen or more ganglionic neurons
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