Nursing 1080A/B Lecture Notes - Lecture 5: Spinal Nerve, Bradykinin, Substance P
28 Dec 2015
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Document Summary
Pain can profoundly affect quality of life, interactions with family and friends, sense of well-being and self-esteem, and financial resources. For many, it is a result of injury or surgery, but others, pain has no identifiable cause. 3 components of pain: sensory discriminative, affective motivational. Receives the most attention from health care professionals. How the pain makes us feel and what it makes us do. Meaning attributed to pain: cognitive evaluative. 2 different types of nerve fibres that transmit pain that are located in the pns. Referred to as nociceptors; carry pain signal to the cns: a delta fibres. Stimulate motor responses such as withdrawal/flinching: c fibres. Conducted pain impulses more diffusely (scattered) and slowly. Described as achy and ongoing , even after pain is removed. Release substance p pain-facilitating substance from nerve endings that. Stimulate a protective response such as guarding speeds the transmission of pain stimulus up the pain pathway.
