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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 |