202 - Whole Body Metabolism I, a Flashcards
_________ - sum of all chemical processes that go on in the body, including energy production, synthesis of molecules, and waste disposal
metabolism
________ ____ - amount of energy produced by the body at a given time
metabolic rate
energy = (3)
work energy + stored energy + heat energy
______ - amount of hear necessary to raise the temperature of one gram of water by one degree Celsius
calorie
a kilocalorie (calorie in food terms) is _____ calories
1000
fat / carbs / proteins yield the most heat
fat
fat calories are LIGHT / HEAVY calories
light
carbohydrate calories are LIGHT / HEAVY calories
heavy
3 ways to measure metabolic rate
- controlled scientifically
- oxygen consumed
- Harris-Benedict equation
________ ______ - amount of carbon dioxide produced divided by the amount of oxygen consumed
respiratory quotient
CO2 produced / O2 consumption =
respiratory quotient
respiratory quotient (CO2 produced / O2 consumption) in carbohydrates is . . .
1
respiratory quotient (CO2 produced / O2 consumption) in fats is . . .
0.7
what energy source is used primarily in short term, active exercise? long term?
carbohydrates; fatty acids
______ / ______ metabolic rate is the minimum energy expenditure
basal / resting