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Diploma OT SEM 2
Neuroscience
10 . AUTONOMIC NERVOUS SYSTEM
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Created by
Robiyatul Iqmar
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Cards (24)
What part of the nervous system does the autonomic nervous system belong to?
Peripheral nervous system
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What organs does the autonomic nervous system supply?
Internal organs
like
heart
and
lungs
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How does the autonomic nervous system operate?
Automatically
,
without conscious effort
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What are the two main divisions of the autonomic nervous system?
Sympathetic
and
parasympathetic
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How many neurons connect the CNS to effectors in the autonomic nervous system?
Two neurons
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What are the names of the two neurons in the autonomic nervous system pathway?
Preganglionic
and
postganglionic
neurons
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Where does the synapse between the preganglionic and postganglionic neurons occur?
In an
autonomic ganglion
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What is the role of the preganglionic axon in the autonomic nervous system?
Forms a
synapse
with
postganglionic neuron
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What are the three kinds of autonomic ganglia?
Sympathetic ganglia, prevertebral ganglia, terminal ganglia
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Where are sympathetic ganglia located?
Close to the spinal cord
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What is another name for the sympathetic system?
Thoracolumbar division
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Where do the cell bodies of preganglionic neurons in the sympathetic division occur?
In the
lateral horns
of
gray matter
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Where are terminal or intramural ganglia located?
Near
or
within target organs
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What is another name for the parasympathetic system?
Craniosacral division
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What cranial nerves are associated with the parasympathetic division?
III, VII, IX, and X
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What does the sympathetic division prepare the body for?
Stressful
or
emergency situations
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What physiological changes occur during sympathetic activation?
Increased heart rate
and
dilated airways
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What does the parasympathetic division control?
Body processes during ordinary situations
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How does the parasympathetic division affect heart rate and blood pressure?
Slows heart rate
and
decreases blood pressure
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What is the primary function of the parasympathetic division?
Conserves
and
restores energy
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What does the parasympathetic division stimulate in the digestive system?
Processes food
and
eliminates wastes
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What additional effects does the sympathetic division have on the body during stress?
Causes
sweating
and
pupil dilation
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How does the parasympathetic division contribute to tissue health?
Restores
and
builds tissues
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What is the significance of energy release during sympathetic activation?
Increases muscular strength
for
emergencies
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