NS 115 - Review II - NS 115 Review II November 5, 2008 How...

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NS 115 – Review II November 5, 2008 How do we estimate the energy content of food o Bomb calorimeter Megablastic amemia is caused by the deficiency o Folic acid will hide a B12 deficiency What is a Joule o Measure of work Why is the energy value of food on a label smaller than the value derived from bomb calorimetry? o Not all absorbed, the bomb calorimeter take How is the Respiratory quotient derived and what does it mean o Carbon dioxide / oxygen tells you what type of fuel you’re burning What 2 factors do we have to know to estimate metabolic rate from indirect calorimetry? o RQ o CO2 and O2 consumed expired What aspect of energy metabolism are we really measuring thought indirect calorimetry? o ATP production o What are limitations of indirect calorimetry? Can’t measure over long period of time Not very natural Use a room analysis How does double labeled water estimate energy expenditure? o
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NS 115 - Review II - NS 115 Review II November 5, 2008 How...

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