Unit 15: Calorie Needs and Metabolism Flashcards
Calorie, or kilocalorie
The terminology used to represent how much heat-yielding potential there is contained in a food’s contents.
Metabolic Rate
The rate of the body’s energy expenditure.
Basal Metabolic Rate
The rate at which the body expends energy for maintenance activities, such as keeping the body alive, organ function, and so on.
BMR calculation for men
1 X Body weight in kilograms X 24 hours
BMR calculation for women
0.9 X Body weight in kilograms X 24
MET
Metabolic equivalent is a term used related to energy. equivalent to a metabolic rate of consuming 3.5 mL O2/kg/ minute, the rate of energy expenditure at rest.
Homeostasis
The processes that maintain a constant internal body environment.
Catabolism
The chemical reactions that break down complex biomolecules into simpler ones for energy production.
Anti-Catabolic
Describing a substance that prevents catabolism.
Metabolic Pathway
A sequence of metabolic reactions.
Metabolic Set Point
The average rate at which your metabolism runs and will result in a body composition set point.
Respiratory Quotient
A measure of the
ratio of the volume of carbon dioxide expired to the volume of oxygen consumed.
RQ formula
Volume of CO2 expired/ volume of O2 utilized.
RQ for carbs
1.0
RQ for fat
0.7