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colleen colleen
wrote...
Valued Member
Posts: 17076
11 years ago
A patient tells the nurse that he has had deep burning muscle pain for most of his adult life. With this information, the nurse realizes that this patient’s pain is being transmitted along which of the following?
1. C fibers
2. A-delta fibers
3. endorphins
4. dynorphins
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Sunshine ☀ ☼

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Replies
wrote...
Valued Member
11 years ago
1 -- The pain from deep body structures, such as muscles and viscera, is primarily transmitted by C fibers, producing diffuse burning or aching sensations. A-delta fibers are myelinated and transmit impulses rapidly. They produce what is called fast pain or first pain that is sharp, well-defined pain typically seen from cuts, electric shocks, or the impact of a blow. Endorphins and dynorphins are endogenous opioids that block the transmission of painful impulses.
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