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PNS
Peripheral Nervous System
| Question | Answer |
|---|---|
| Peripheral Nervous System | composed of all the nerves outside the brain and spinal cord, transmit information to and from the brain via chemical and electrical messages |
| Afferent Nerves | Nerves that send messages back to the CNS |
| Efferent Nerves | Nerves that transmit messages from the CNS to the rest of the body |
| Sympathetic Nerves | "Fight or Flight", facititate mobilization of the body for quick action |
| Parasympathetic Nerves | "Feed and Breed", direct restoratice and conserative processes |
| Direct Acting | receptor agonists which minic the effects of endogenous chemicals by combining with receptors in the sympathetic nervous system, nasal decongestant |
| Indirect Acting | Facilitate the release of Norepinephrine or block the re-uptake of Norepinephrine in the neuronal membrane |
| Sympatholytic (Adrenergic Blocking) Agents | Oppose the action of the natural messangers, epinephrine and Norepinephrine, as their receptor sites, also referred to as blockers |
| Parasympathomimetics (Cholinergic) Agents | Enhance the actions of the parasympathetic nervous system, opposes the effects of the sympathetic nervous system, may be direct action on cholinergic receptors |
| Parasympatholytic (Anticholinergic) Agents | Inhibit or reverse the actions of the parasympathetic nervous system, bind with the cholinergic receptors and prevent binding or acetylcholine |
| Neuromuscular Blocking Agents | Blocks the transmisson of nerve impulses to skeletal muscles resulting in paralysis of skeletal muscle |
| Local Anesthetics | Block conduction of impulses along nerves and prevents the sensation of pain from reaching the brain |
| Sympathomimetic Agents | The effects of these agents are complex and depend upon the specific receptor where the drugs exert their action |
| B-1 Receptors | Affect the Heart |
| B-2 Receptors | Affect the lungs |
| Pseudoephedrine | Cannot purchase more than 3.6grams a day, 9 grams in 30 days, or 7.5 grams in 30 days from a kiosk |
| Beta Blockers | end in -olol |
| Alpha Blockers | end in -osin |
| Tablets, Injection, Nasal Sprays, Suppositories | Four ways Alpha Blockers are distributed |
| Migraine Headaches | Alpha Blockers are used for |
| Blood Pressure Medicine | Beta Blockers are |
| Lidocaine | Used as a local anesthetic |
Created by:
jfix45
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