Neurotransmitters.txt

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Author:
Anonymous
ID:
107002
Filename:
Neurotransmitters.txt
Updated:
2011-10-06 20:38:54
Tags:
Neurotransmitters
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Description:
Chem dependency test 2 SG
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  1. Nerve cells (neurons) act
    electrically and chemically
  2. Endorphins:
    natural pain killers (ENDogenous mORPHINe), opiates are similar
  3. “Drug” definition
    any chemical put into body that changes mental state or bodily function
  4. Most drugs act at
    (sender & receptor)
    • presynaptic terminal (sender)
    • postsynaptic membrane (receptor)
  5. “Reuptake” definition
    presynaptic terminal takes back
  6. Agonist definition:
    • bind to & activate receptor
    • Ex.: Morphine mimics the actions of endorphins
  7. Antagonist definition:
    • binds to receptor, doesn’t activate, blocks normal activity
    • Ex.: Alcohol blocks serotonin activity
  8. 4 lobes of brain
  9. What ways can drugs enter the body?
    • Skin
    • Ingesting
    • Mucous membranes
    • Inhaling
    • Intravenously

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