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Unit 3 Part 1_ Pain, Stress and RBC Disorders (1).
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Unit 3 Part 1_ Pain, Stress and RBC Disorders (1).
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Unit 3 Part 1: Pain, Stress and RBC Disorderswhat is sensation - ANS-conscious or subconscious awareness of changes in the external or
internal environment
when can be begin to identify touch, pain, hearing or taste with sensation - ANS-when sensory
impulses reach the cerebral cortex
what is perception - ANS-conscious interpretation of sensations
what temperatures will thermal receptors interpret pain as - ANS-below 10 degrees celsius and
above 45 degrees celsius
what are free nerve endings found in every tissue of the body except the brain called -
ANS-nociceptors
what can activate nociceptors - ANS-intense thermal, mechanical or chemical stimuli
true or false: pain can persist even after stimulus is removed, as the pain mediating chemicals
linger - ANS-true
define fast perception of pain - ANS-occurs rapidly usually within 0.1 second after stimulus;
acute, sharp or prickling
is fast pain perception felt in deeper tissues of the body - ANS-no
define slow perception of pain - ANS-begins second or more after stimulus;
gradually increases over period of seconds or minutes;
described as chronic, burning, excruciating or throbbing
where does slow perception of pain occur - ANS-skin, deeper tissues or internal organs
true or false: slow pain can be localized, but is more diffuse than fast pain - ANS-true
true or false: fast pain is localized to the stimulated area only - ANS-true
define referred pain - ANS-feeling pain in other parts of the body;
still is related to initial problem;
feel pain in other areas because organs and body are connected through the spinal cord
true or false: pain is sensed by the brain - ANS-true
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