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23 Cards in this Set
- Front
- Back
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Energy input equals energy output. This statement represents |
an energy balance on the system. |
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Measuring oxygen consumption as a way of estimating a person's metabolic rate is a type of __________calorimetry (choose either direct or indirect). |
indirect |
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A bomb calorimeter measures |
the heat (energy) produced when a food (or other) sample is completely combusted. |
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A diet of pure carbohydrate would produce an RQ of __________ ( a number with one digit to the left and one to the right as in 0.0) . |
1.0 |
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Adipocytes secrete the hormone |
leptin |
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Diet-induced thermogenesis is highest after |
shortly after eating |
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During the absorptive state of digestion, |
the liver forms glycogen |
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During the overnight fasting state, the energy stores of the __________ become the major source of glucose for the whole body. |
liver |
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GLUT4 transporters are |
stored in cytoplasmic vesicles and found in adipose and skeletal muscles |
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Glucagon |
stimulates gluconeogenesis and especially in the liver. |
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Insulin |
stimulates glycolysis and inhibits gluconeogenesis |
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Insulin secretion |
can be stimulated by sympathetic neurons. |
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Nutrient whose primary fate is synthesis of tissues |
protein |
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Beta cells in the islet of Langerhans secrete |
insulin |
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The brain neurotransmitter that is an important stimulus for food intake is |
neuropeptide Y |
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The feeding and satiety centers are located in the |
hypothalamus |
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The ratio of CO2 produced to O2 consumed when when breaking down glucose totally is |
1.0 |
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The ratio of CO2 produced to O2 consumed when when breaking down lipid totally is |
0.70 |
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The ratio of CO2 produced to O2 consumed when when breaking down amino acids totally is |
0.84 |
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What happends to leptin secretion when fat stores increase? |
it goes up |
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If energy input equals energy output, then body temperature |
is constant |
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Lavoisier was able to to show experimentally that |
Living animals produce heat as a result of metabolism. Living animals consume O2 as a result of metabolism. Living animals produce CO2 as a result of metabolism. |
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Brain tissue metabolizes primarily |
glucose |
