+
Related Flashcards
Cards In This Set
| Front | Back |
|
Define "Pain"
|
An unpleasant sensory & emotional expreience associated with actual or potential tissue damage"
-Pain is whatever the individual expreiecing it says it is, existing when the person says it exists
-a whole person phenomenon with sensory emotional, cognitive, and subjective components
|
|
Define nociception
|
Sensory process leading otthe perception of pain
|
|
What is defined by this sensory process leading otthe perception of pain
|
Nociception
|
|
Nocicpetion Transduction
|
Process of converting a painful stimulus into an action potential that can be transmitted to the CNS
|
|
Nocicpetion Transmission
|
-Action potentials travel from injury site to spinal cord
-From spinal cord to brain stem and thalamus
-From thalamus to cortex
|
|
What is this called
-Action potentials travel from injury site to spinal cord
-From spinal cord to brain stem and thalamus
-From thalamus to cortex
|
Transmission nociception
|
|
What is this Process of converting a painful stimulus into an action potential that can be transmitted to the CNS
|
Transduction nociception
|
|
Perception
|
Interpretation of hte sensory impulse of pain
|
|
Interpretation of hte sensory impulse of pain
|
Perception
|
|
Modulation
|
Physiologic modification of the pain sensation
|
|
What is this Physiologic modification of the pain sensation
|
Modulation of nociception
|
|
Where do you find nociceptors? And where are they not?
|
Scattered thoughout the body in skin, muscles, circulatory system, and viscera but NOT the brain
|
|
What are nociceptors?
|
Free nerve endings of myelinated and unmyelinated nerve fibers taht respond to painful stimuli
|
|
What are these : Free nerve endings of myelinated and unmyelinated nerve fibers taht respond to painful stimuli
|
Nociceptors
|
|
How is painful stimuli created?
|
- direct damage to nociceptors
-stim of nerve endings by chemical mediators released from damaged tissue (prostaglandins, bradykinins, serotonin, histamine)
|
