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16 Cards in this Set
- Front
- Back
According to Chapter 13 what 3 systems interact to produce pain.
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sensory/discrminative
motivational/affective cognitive/evaluative |
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Name the two pathways and one system that are responsible for the sensation and perception of pain
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Afferent pathway
CNS Efferent pathway |
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What is the term for a "Pain Receptor".
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Nociceptor - what is the definition
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Name two Nociceptors (that are corpuscles)
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Meissner corpuscle
Pacinian corpuscle |
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Which pain receptor is located just under the epidermis.
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Meissner corpuscle
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Which pain receptor is located in deep tissues, muscles, tendons, and subcutaneous tissue.
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Pacinian corpuscle
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Which pathway are the nociceptors associated with?
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The Afferent pathway
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In the "Gate control theory" name the two fibers and their associated size.
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Large A fibers
small C fibers |
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What does endorphin stand for?
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Endogenous Morphines
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What do endorphins do?
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they inhibit the transmission of pain impulses in teh spinal cord and brain.
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Where do endorphins attach or interact to cause the inhibition of pain impulses?
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Endorphins attach to Opiate Receptors on the plasma membrane of the afferent neuron.
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When endorphins attach to Opiate Receptors on the plasma membrane of the afferent neuron, what happens?
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this inhibits the release of neurotransmitters.
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Acute pain can be classified in what 3 categories?
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Somatic
Visceral Referred |
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Chronic pain is usually defined as lasting at least...?
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3 to 6 months
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Define pain threshold.
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The lowest intensity at which a stimulus is perceived as pain.
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Define pain tolerance.
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The amount of time or intensity of pain that an individual will endure before initiating overt pain responses.
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