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BioPsych EXAM4
biopsych exam 4
| Question | Answer |
|---|---|
| Define allostasis. | adaptive way in which body changes its set points depending on situation |
| Define basal metabolism. | energy used to maintain a constant body temperature while at rest. |
| Define cytkines. | small proteins released by leukocytes that attack the intruders... stimulates vagus nerve-->sends signal to hypothalamus. |
| Define homeostasis. | temperature regulation and other biological processes that keep body variables within a fixed range. |
| Define homeothermic. | using physiological mechanisms to maintain a nearly constant body temp despite changes in the temp of the environment. (ie. mammals or birds) |
| Define negative feedback. | processes that reduce discrepancies from the set point |
| Define poikilothermic. | body temp matches temp of the environment (ie. amphibians, reptiles, & most fish) |
| Define preoptic area/anterior hypothalamus (POA/AH) | monitors body temp partly by montitoring its own temp |
| Define set point. | a single value that the body works to maintain. |
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