Biopsych Quiz 9

set point

a single value that the body works to maintain

hypovolemic thirst

a thirst resulting from loss of fluids due to bleeding or sweating

basal metabolism

energy used to maintain a constant body temperature while at rest

ectothermic/poikilothermic

idea that the body temperature matches that of the environment

negative feedback

processes that reduce discrepancies from the set point

homeostasis

refers to temperature regulation and other biological processes that keep certain body variables within a fixed range

allostasis

refers to the adaptive way in which the body anticipates needs depending on the situation

fever

reflects an increased body temperature set point, directed by the hypothalamus

osmotic thirst

results from eating salty foods

endothermic

use of internal physiological mechanisms to maintain an almost constant body temperature

temperature regulation

vital to the normal functioning of many behavioral processes