Flashcards in Nutrition & BMR Deck (16):
obtaining energy to fuel normal activity
how many MJ does typical adult need per day?
10MJ and all is radiated as heat
what is BMR?
minimum energy to sustain life
how much % of daily energy expenditure is exercise usually?
What is an atwater chamber?
controlled environment used to measure daily averages of MJ
What is bomb calorimetry?
direct measure of energy combustion in food
Bomb calorimetry compared to body?
body less efficient, fat: only 95% and protein only 92% as efficient as bomb calorimetry
2 fates of alcohol?
turns into acetate then:
how many MJ of your daily 10 is the BMR?
What is specific dynamic effect (SDE) in nutrition?
postprandial thermogenesis, heat and energy needed for digestion.
if it's cold, you use more or less energy?
More energy in thermoregulation
Daily exercise recommendation?
What is Kleiber's Law?
larger body size are more efficient
who has higher BMR? round or tall?
What does high body fat do to BMR?
decreases it as fat needs little energy to maintain