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71 Cards in this Set
- Front
- Back
Cultural prescription; expectations; role behaviors
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Factors influencing pain tolerance
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Pain initiated or caused by a primary lesion or dysfunction to the peripheral nerves.
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Neuropathic pain
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An unpleasant physical and emotional experience which signifies tissue damage or the potential for such damage.
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Pain
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Caused by a single event; usually sudden; has a short duration of symptoms
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Acute pain
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Three systems interacting to produce and perceive pain
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Sensory-Discriminative System; Motivational-Affective System; Cognitive-Evaluative System
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When using a pain diagram numbness and tingling is what color?
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Yellow
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When using a pain diagram a generally painful area is what color?
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Blue
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When using a pain diagram burning or hot spots are what color?
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Red
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Sensory receptor responsible for cold temperature and temperature changes
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Krause’s end bulbs
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Sensory receptor responsible for light press/touch
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Merkle dics (AKA A-beta)
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T or F: Pain threshold is the level of noxious stimulus required to alert the individual to possible tissue damage.
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True
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T or F: Pain threshold is the least experience of pain that a subject can recognize.
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False
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T or F: Pain tolerance is the measure of how much pain a person can or will withstand.
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True
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The greatest level of pain which a subject is prepared to tolerate.
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Pain tolerance
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Pain experienced when tissue damage is impending and/or immediately after an injury has occurred.
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Acute pain
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Pain that does not resolve in the usual period it takes the disorder to heal or that continues beyond the duration of the noxious stimulation.
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Chronic pain
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Pain occurring with acute trauma to the skin or subcutaneous tissues.
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Somatic pain
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T or F: Superficial somatic pain is well-localized pain.
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True
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Pain originating in the internal organs and the linings of the body cavities.
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Visceral pain
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Pain perceived in another area which seems to have little relation to the existing pathology (e.g.; Kehr’s sign).
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Referred pain
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When assessing pain using the “PAIN” mnemonic; the P stands for?
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Pattern
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When assessing pain using the “PAIN” mnemonic; the location of pain falls under what letter?
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Area
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Numeric Rating Scale (NRS); Pain Face Scales; Visual Analogue Scale (VAS); Pain charts are?
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Pain rating scales
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Used to assess the intensity of pain by asking a patient to rate his/her on a 0-10 scale.
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NRS
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Pain scale used to assess the intensity of pain by asking a child to rate his/her on a 0-10 scale.
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Face scales
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A self-report device measuring the magnitude of internal states such as pain and mood using a 10-cm or 100-mm line running either vertically or horizontally oriented with anchors placed at both poles.
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VAS
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This pain assessment tool is used to establish spatial property of pain.
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Pain Chart/Diagram
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Generally unmyelinated (naked-nerves); sensitive to and stimulated by potentially damaging mechanical; chemical; and thermal stresses.
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Nociceptors
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Neuropeptide responsible for transmitting a painful impulse?
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Substance P
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Impulses from sensory receptors to the brain.
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Afferent neural transmission
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Impulses from the brain toward the periphery.
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Efferent neural transmission
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Initial stimulation of the nociceptors due to lowering of the depolarization threshold; enhancing the pain response.
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Primary hyperalgesia
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Increases the painful area as the chemical mediators diffuse into the surrounding tissue causing them to become hypersensitized.
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Secondary hyperalgesia
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A neuron connecting sensory receptors in the PNS to neurons in the CNS.
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1st order neuron
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Pain results from excessive stimulation of sensory receptors if the stimulation is applied with long enough intensity.
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Intensity Theory
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Proposed the body contains different types of sensory n. endings and that a single n. would respond only to a specific stimulus (i.e.; hot; cold).
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Specificity Theory
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Proposed that perceptions of pain are the result of stimulus intensity and the summation of the impulses.
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Pattern Theory
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Stimulation from ascending A-beta afferents results in the blocking of impulses carried along the A-delta and C afferent fibers.
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Gate Control Theory
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In the Gate Control Theory impulses ascending on afferent fibers stimulate the SG (contain both excitatory and inhibitory cells) as they enter the dorsal horn of the spinal cord; influencing the ____?
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T-cell
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By stimulating the SG one is able to inhibit synaptic transmission in the large and small (A-_____ and ___-fiber) afferent pathways.
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A-delta and C-fiber
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Increased neural activity in the A-alpha and A-beta primary afferent pathways triggers a release of enkephalin (chemical in the endorphin family) from enkephalin interneurons found in the dorsal horn.
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Castel’s Spinal Level I
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T or F: Enkephalins bind with excited nociceptors and diminishing the release of Substance P.
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True
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Stimulation of the PAG of the midbrain and raphe nucleus medulla by ascending neural input (C-fiber afferents) activate the descending mechanism.
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Castel’s Spinal Level II
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Stimulation of rhythmic muscles contraction; A-delta and C-fibers (favors A-delta) over a long period of time with a low pulse frequency can stimulate the release of endogenous opioids (beta-endorphins).
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Castel’s Spinal Level III
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Physical agents used to stimulate large-diameter afferent fibers.
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TENS; massage; analgesic balms
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Physical agents used to decrease pain fiber transmission velocity.
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Cryotherapy and ultrasound
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Physical agents used to stimulate small-diameter afferent fibers and descending pain control mechanism.
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Acupressure; deep massage; TENS
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T or F: Cryotherapy acts to slows nerve transmission of 1st order afferent neurons.
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True
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T or F: Warming sensations do not override the transmission of pain impulses.
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False
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Electrical stimulation technique with a pulse frequency 60-120 pps; sensory perception - no visible muscle contraction; stimulates only large afferents (A-beta)
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Sensory or High TENS
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Electrical stimulation technique for non-acute pain; good for deep throbbing/chronic pain, or trigger point pain; produces visible muscle contraction; 1-7 pps; 200-300 µs phase duration; high amplitude
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Motor or Low TENS
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Referred to as hyperstimulation analgesia; 2-4 pps or 100-150 pps with long phase duration 300-1000 µs (1 msec); High intensities (with/without muscle contraction)
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Noxious or Brief Intense
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Nociceptor producing fast onset of pain and are short-lasting and help to localize the pain.
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A-delta
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Dull; non-localized (protopathic) nociceptor.
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C-fiber
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To or F: A-beta sensory receptors have a larger diameter and faster conduction velocity compared to A-delta fibers.
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True
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T or F: A-beta sensory receptors have a smaller diameter and a slower conduction velocity compared to C-fibers.
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False
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T or F: A-delta pain receptors have a larger diameter and a slower conduction velocity compared to C-fibers.
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False
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T or F: C-fiber pain receptors have a larger diameter and faster conduction velocity compared to C-fibers.
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True
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Chemical mediators that provides direct stimulation of nerve fiber carrying the noxious stimuli?
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Bradykkinin
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Chemical mediator that sensitization of the nerve fibers so that other chemical mediators can initiate pain?
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Prostaglandin
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Portion of the gray matter of the spinal cord that is divided into 10 layers of cell bodies and houses different types of fiber information.
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Lamina
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Neuron receiving sensory input from the first-order neurons and projects to neurons at higher levels of the CNS.
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2nd order neurons
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The SG is located in lamina?
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II
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A-delta fibers transmit mainly mechanical/thermal pain along which tract?
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Neospinothalamic tract
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C-fibers transmit dull and achy pain along which tract?
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Paleospinothalamic tract
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Pain is influenced by a variety of characteristics. Name some of them.
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Age; sex; race; ethnicity; personality; past experiences; situational variables (mood; stress)
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Substance P is a neurotransmitter that _____ pain.
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Facilitates
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Enkephalins; serotonin; beta-endorphins; dynorphins (opioid) _____ pain.
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Inhibit
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T or F: Motor level stimulation of Castel's Spinal Level III is enhanced by low-frequency (1-7 pps); high intensity muscle contraction.
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True
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T or F: Increased blood flow help to rid the body’s inflammatory chemical mediators including: bradykinin; prostaglandins; histamines; and non-granular leukocytes.
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Acupressure; deep massage; TENS
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Suggest that each individual has a genetically built-in network of neurons called the “body-self neuromatrix.”
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Neuromatrix Theory
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