BIOL 223 Chapter 16-1

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Author:
christophertkennedy
ID:
121359
Filename:
BIOL 223 Chapter 16-1
Updated:
2011-12-06 18:59:47
Tags:
anatomy physiology autonomic nervous system
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Study Cards for Chapter 16 BIOL223 CSN
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  1. Chemicals released by a neuron that will have an effect on a 2nd cell or neuron are called:
    neurotransmitters
  2. A chemical released by a neuron that effects how a postsynaptic cell or neuron will respond to a neurotransmitter is a:
    neuromodulator
  3. List the six neurotransmitters discussed in class.
    • Norepinephrine
    • Aceytlcholine
    • Dopamine
    • Seratonin
    • Substance P
    • Opiods
  4. Which neurotransmitter is an adregenic synapse and has an excitatory effect on the target tissue?
    norepinephrine
  5. Which neurotransmitter is excitatory to the brain and inhibitory to the muscles?
    dopamine
  6. Which neurotransmitter is a cholinergic synapse and is inhibitory for most tissue except for muscle?
    aceytlcholine
  7. Inadequate concentrations of this neurotransmitter are linked to depression.
    serotonin
  8. Substance P plays a role in _______ pathways.
    pain
  9. True or False: The more substance P you have in your body, the more pain you feel.
    True
  10. This neurotransmitter can act as an endogenous morphine by blocking the release of substance P.
    opiods
  11. List the four subclasses of opiods discussed in class.
    • endorphins
    • enkephalins
    • endomorphins
    • dynorphin
  12. List the three major subdivisions of the autonomic nervous system.
    • enteric nervous system
    • parasympathetic nervous system
    • sympathetic nervous system
  13. Which division of the ANS regulates digestion?
    enteric nervous system
  14. Which division of the ANS is in control of the body 99% of the time?
    parasympathetic nervous system
  15. Which division of the ANS takes over during periods of high stress?
    sympathetic nervous system
  16. Are preganglionic fibers myelinated or unmyelinated?
    myelinated
  17. Will the postganglionic fibers be myelinated or unmyelinated?
    unmyelinated
  18. What are the four primary components of an ANS system?
    • preganglionic neuron
    • autonomic ganglion
    • postganglionic neuron
    • target tissue
  19. The synapse point where the preganglionic neuron meets the post ganglionic neuron is known as an:
    autonomic ganglion
  20. Where will the parasympathetic preganglionic fibers originate?
    • brainstem - cranial nerves 3,7,9,10
    • spinal cord - S1-S4
  21. Are parasympathetic preganglionic fibers long or short?
    long
  22. Which type of parasympathetic autonomic ganglion is found within the target tissue, terminal or intramural?
    intramural
  23. List the four terminal autonomic ganglion discussed in class.
    • ciliary
    • pterygopalatine
    • submandibular
    • otic
  24. Will the parasympathetic postganglionic fibers be long or short?
    short
  25. The parasympathetic division is also known as the:
    feed and breed, or resting division

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