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ITM nervous system
sympathetic vs. parasympathetic
Question | Answer |
---|---|
preganglion very short | sympathetic |
prganglion long goes to organ | parasympathetic |
preganglion release acetylcholine | para & symp |
postganglion long goes to organ | sympathetic |
postganglion long goes to organ | sympathetic |
postganglion very short | parasympathetic |
release norepinephrine | sympathetic |
chain connects many nerves | sympathetic |
can innervate many organs | sympathetic |
1 to 1 ratio connection to nerve | parasympathetic |
preganglion very short | sympathetic |
prganglion long goes to organ | parasympathetic |
preganglion release acetylcholine | para & symp |
postganglion long goes to organ | sympathetic |
postganglion long goes to organ | sympathetic |
postganglion very short | parasympathetic |
release norepinephrine | sympathetic |
chain connects many nerves | sympathetic |
can innervate many organs | sympathetic |
1 to 1 ratio connection to nerve | parasympathetic |
neurons exit spinal cord from T1-L2 | sympathetic |
neurons exit through cranial nerves, sacrum | parasympathetic |
neurons exit through thoracolumbar division | sympathetic |
neurons exit through craniosacral division | parasympathetic |
wall of blood vessels only have sympathetic innervaion | sympathetic |
no parasympathetic innervation to blood vessel walls | parasympathetic |
function: emergency response | sympathetic |
function: energy conservation | parasympathetic |
relaxation response | parasympathetic |
dominant under stress | sympathetic |
dominant under nonstress | parasympathetic |
increase metabolism | sympathetic |
decrease heartrate | parasympathetic |
increase blood sugar | sympathetic |
increase heartbeat | sympathetic |
constrict eye muscles | parasympathetic |
dilate bronchi | sympathetic |
constrict bronchi | parasympathetic |
decrease digestion | sympathetic |
increase digestion | parasympathetic |
increase glandular secretions | parasympathetic |
vasodilate clitoris/penis | parasympathetic |