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The flashcards below were created by user
christophertkennedy
on FreezingBlue Flashcards.
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Chemicals released by a neuron that will have an effect on a 2nd cell or neuron are called:
neurotransmitters
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A chemical released by a neuron that effects how a postsynaptic cell or neuron will respond to a neurotransmitter is a:
neuromodulator
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List the six neurotransmitters discussed in class.
- Norepinephrine
- Aceytlcholine
- Dopamine
- Seratonin
- Substance P
- Opiods
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Which neurotransmitter is an adregenic synapse and has an excitatory effect on the target tissue?
norepinephrine
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Which neurotransmitter is excitatory to the brain and inhibitory to the muscles?
dopamine
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Which neurotransmitter is a cholinergic synapse and is inhibitory for most tissue except for muscle?
aceytlcholine
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Inadequate concentrations of this neurotransmitter are linked to depression.
serotonin
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Substance P plays a role in _______ pathways.
pain
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True or False: The more substance P you have in your body, the more pain you feel.
True
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This neurotransmitter can act as an endogenous morphine by blocking the release of substance P.
opiods
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List the four subclasses of opiods discussed in class.
- endorphins
- enkephalins
- endomorphins
- dynorphin
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List the three major subdivisions of the autonomic nervous system.
- enteric nervous system
- parasympathetic nervous system
- sympathetic nervous system
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Which division of the ANS regulates digestion?
enteric nervous system
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Which division of the ANS is in control of the body 99% of the time?
parasympathetic nervous system
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Which division of the ANS takes over during periods of high stress?
sympathetic nervous system
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Are preganglionic fibers myelinated or unmyelinated?
myelinated
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Will the postganglionic fibers be myelinated or unmyelinated?
unmyelinated
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What are the four primary components of an ANS system?
- preganglionic neuron
- autonomic ganglion
- postganglionic neuron
- target tissue
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The synapse point where the preganglionic neuron meets the post ganglionic neuron is known as an:
autonomic ganglion
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Where will the parasympathetic preganglionic fibers originate?
- brainstem - cranial nerves 3,7,9,10
- spinal cord - S1-S4
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Are parasympathetic preganglionic fibers long or short?
long
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Which type of parasympathetic autonomic ganglion is found within the target tissue, terminal or intramural?
intramural
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List the four terminal autonomic ganglion discussed in class.
- ciliary
- pterygopalatine
- submandibular
- otic
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Will the parasympathetic postganglionic fibers be long or short?
short
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The parasympathetic division is also known as the:
feed and breed, or resting division
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