PA: Pain
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each of the black spaces below before clicking
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| What are the best predictors of chronic pain? | Level of happiness at home
Level of happiness at work
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| What are the 4 sources of pain? | Peripheral nociceptive
Peripheral neurogenic
Central Pain
Symathetic Nervous System
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| What is peripheral nociceptive pain? | Pain transmitted via A delta and C fibers to dorsal horn and brain
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| What is peripheral neurogenic pain? | Injury to peripheral nervous system or to a nerve
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| What is central pain? | Creates abnormal pain states
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| What is allodynia? | Pain prevoked by stimulus that doesn't typically cause pain
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| What is hyperalgesia? | Hightened response to pain
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| What is chronic pain? | Pain lasting longer than 6 months
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| What type of pain falls under sympathetic nervous system? | Complex Regional Pain Syndrome
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| What did CRPD used to be called? | Reflex Sympathetic Dystrophy Syndrome
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| What is Type I CRPD? | ANYTHING touching them hurts (putting on jeans)
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| What are s/s of chronic pain? | Depressed, can't sleep, fatigued
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| What is Type II CRPD? | Peripheral nerve distribution
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| Which type of fibers are faster and larger? | A delta fibers (they are mylenated)
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| Primarily what kind of nociceptors are A delta fibers? | Mechanical nocicetors
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| What type of sensation would you feel with A delta fibers? | Sharp, pricking sensation for a short duration
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| What type of fibers make up the majority of nociceptors? | C fibers
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| What are C fibers sensitive to? | VERY intense mechanical and temperature
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| What are the 4 types of mechanoreceptors? | Meissner's Corpuscles
Pacinian corpuscles
Merkel's Discs
Ruffini Ending
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| What are meissner's corpuscles sensitive to? | Light touch (unmyelinated)
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| What are pacinian corpuscles sensitive to? | Deep pressure, vibration
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| What are Merkel's discs sensitive to? | Pressure and texture
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| What are ruffini endings sensitive to? | Constant pressure
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| What are krause's end bulbs sensitive to? | Cold temperatures
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| Afferent messages enter the spine via what? | The dorsal portion of the spinal nerve
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| Two point discrimination and proprioception enter via what? | Medial portion of the dorsal root
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| Nociception enters through what? | Lateral portion of the dorsal root
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| What are the 4 parks of the spinothalamic tract? | Discriminative pain
Temperature
Crude touch
Pressure
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| What does discriminative pain tell you? | Type and location of pain
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| What is the primary nociceptive pathway? | Discriminative pain
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| What is the spinothalamic tract part of? | The anterolateral system
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| What two parts of the spinothalamic tract come off the lateral portion of the anterolateral system? | Discriminative pain
Temperature
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| What two parts of the spinothalamic tract come off the anterior portion of the anterolateral system? | Crude touch
Pressure
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