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Parasympathetic
Questions
| Question | Answer |
|---|---|
| What chemical Neurotransmitter does the Parasympathetic division of the ANS employ? | Acetylcholine |
| What are Parasympathetic Fibers termed? | Cholinergic |
| What are the general functions of the Parasympathetic division of the ANS? | helps maintain quiet activity; Metabolic Recovery |
| What are some of the effects the Parasympathetic ANS? | Decreases HR/BP, Constricts Pupils, Increases Digestive activity, normalizes Respiratory rate/volume, enables Sexual arousal |
| Do ANS fiber merge or travel with Spinal Nerves? | Not Parasympathetic |
| Which Cranial Nerves do Parasympathetic fibers travel with? | III: Oculomotor, VII: Facial, IX: Glossopharyngeal, X: Vagus |
| Where do the Parasympathetic Cranial Fibers arise and terminate? | Brain ---> Cranial Nerves ---> Effector: Iris, Salivary glands, Heart, Bronchioles, G.I. tract, Gallbladder |
| Where does the Parasympathetic division exit? | Brain and S-2 --> S-4 |
| Where do the Sacral Fibers exit? | Ventral Roots at S-2 --> S-4 then independently to ganglia |
| Do Parasympathetic Fibers terminate int the Paravertebral Ganglia? | No, Parasympathetic ganglia terminate near Visceral Effector |
| Where do Parasympathetic POSTganglionic fibers terminate? | end in Pelvic Viscera: Colon, Bladder, Genitalia, Reproductive tract |
| Describe the PRE and POSTganglia? | PREganglion = LONG; POSTganglion = SHORT |
Created by:
kristel387
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