MODULE 5- ARPIN STUDY GUIDE Flashcards

1
Q

nociceptors

A

unspecialized, free nerve endings

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2
Q

2 kinds of slowly transmitting afferent fibers

A

-Aδ lightly myelinated axons (first pain)
*type I
*type II
-C unmyelinated axons, small diameter (second pain)

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3
Q

are Aδ myelinated

A

lightly myelinated

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4
Q

are C myelinated

A

unmyelinated
-small diameter

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5
Q

foot/hand central pain pathway

A

foot/hand ->
DRG ->
dorsal horn of SC ->
VPL ->
S1

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6
Q

face central pain pathway

A

face ->
trigeminal ganglion ->
spinal nucleus ->
VPM ->
S1

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7
Q

pain + temperature is ipsilateral/contralateral

A

contralateral

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8
Q

what tract for pain + temperature

A

anterolateral tract

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9
Q

touch + pressure is ipsilateral/contralateral

A

ipsilateral

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10
Q

what tract for touch + pressure

A

dorsal column medial lemniscal tract

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11
Q

what results in pattern of dissociated sensory loss

A

-contralateral pain + temperature (anterolateral tract)
-ipsilateral touch + pressure (dorsal column medial lemniscal tract)

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12
Q

2 aspects of pain experience

A

-sensory discriminative
-affective motivational

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13
Q

what does sensory discriminitive pain include

A

VPL + VPM of thalamus

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14
Q

referred pain

A

-visceral (internal) pain can be felt as pain from other locations
-can also travel through the dorsal column-mediated lemniscal system

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15
Q

sensitivity to pain can be modified by which PERIPHERAL mechanisms

A

-hyperalgesia
-peripheral sensitization (inflammation)

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16
Q

peripheral sensitization refers to

A

inflammation

17
Q

sensitivity to pain can be modified by which CENTRAL mechanisms

A

allodynia

18
Q

placebo effect

A

true physiological effect

19
Q

know gate control theory of pain

A