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24 Cards in this Set
- Front
- Back
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The Autonomic Nervous System is part of the nervous system and is composed of...
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the Sympathetic and Parasympathetic systems
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ANS controls the function of...
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visceral organs and regulates them
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What does the Sympathetic System do?
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prepares and mobilizes the body in emergency cases. AKA Fight or Flight mode.
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Sympathetic System stimulation leads to what?
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increased heart rate, constriction of the arterioles of the skin and intestine, (but dilation of those of the skeletal muscle), which raises the blood pressure, sympathetic stimulation leads to dilation of the pupils, sphincters close, hair stands and sweating occurs
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What does the Parasympathetic System do?
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conserves and stores energy
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Parasympathetic stimulation leads to what?
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decreased heart rate, pupil constriction, increased glandular activity, sphincters open, bladder wall is contracted, increases motility of GI tract
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Parasympathetic systems origin is where?
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cranio-sacral
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Parasympathetic system includes what 4 cranial nerves?
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CN3- occulomotor
CN7- facial CN9- glossopharengyl CN10- vagus |
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Sympathetic systems origin is where?
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thoraco-lumbar
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Synapses between neurons are made where?
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autonomic ganglia
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Parasympathetic ganglia are located where?
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in or near the effector organs
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Sympathetic ganglia are located where?
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in the paravertebral chain
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Adrenal medulla is a specialized ganglion of what nervous system?
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sympathetic
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Genitals: Ejaculation is under what nervous system?
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Sympathetic AND parasympathetic
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Genitals: Erection is under what nervous system?
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parasympathetic (vasodilation)
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Uterus: Pregnant is under what nervous system and what receptor is used?
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sympathetic nervous system and alpha receptor
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Uterus: Nonpregnant is under what nervous system and what receptor is used?
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sympathetic nervous system and beta receptor
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Adrenal Medulla: Is under what nervous system and how many ganglion fibers are there?
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sympathetic and only 1 ganglion fiber
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Urinary Bladder: Sphincter M uses what receptor?
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alpha
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Urinary Bladder: Sphincter M falls under what nervous system when it is contracting?
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sympathetic
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Urinary Bladder: Sphincter M falls under what nervous system when it is relaxing?
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parasympathetic
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Urinary Bladder: Detrusor M falls under what nervous system when it is contracting?
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parasympathetic
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Urinary Bladder: Detrusor M falls under what nervous system when it is relaxing?
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sympathetic
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Urinary Bladder: Detrusor M uses what receptor?
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beta receptor
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