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Chapter 11: OA

Opioid analgesics

QuestionAnswer
Agonist A substance that binds to ther receptor and casues a response
Agonist-antagonists (partial agonist) bind to the receptor and cause a partial response that is not as strong as one made by an agonist
Analgesic ceiling effect occurs when a given pain drug no longer effectivly controls a patients pain despite the administration of the highest dose
Analgesics Relieve pain w/o causing loss of conciousness
Break through pain Pain that occurs btwn doses of pain medications
Gate theory gate model to explain how impulses from damaged tissues are sensed in the brain. Found on the dorsal horn of the spinal cord
Neuropathic pain Pain that results from the disturbance of function of pathogenic charge in a nerve, damage to peripheral of CNS fibers by disease or injury
Nociception processing of pain signals in the brain that gives rise to feeling.
Nociceptors subclass of sensory A and C nerve fibers that transmit pain signals to the CNS
NSAIDs A lg chs and chemically diverse group of drugs that are analgesic and antiinflammatory and antipyretic (prevent fever) acivity but are NOT steroids
Opiod analgesics synthetic drugs that bind with opiate receptors to relieve pain but are not themselves derived from the opium plant
Opiod naive describes patients who are recieveing opiod analgesics for the first time and who therefor are not accustomed to their effects
Opiod tolerance opposit of opiod naive. patients who have recieved opiod analgesics and are therefore at a greater risk of withdrawl when they stop
Referred pain ocurring in the area away from the organ of origin
Somatic pain skeletal muscles, ligaments, or joints
Vascular pain results from a pathology of the vascular or perivascular tissue *migraine
Visceral pain Pain that originates from organs or smooth muscles
Created by: courtney995478
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