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