Weeks 1-5 Flashcards
What is Good Nutrition?
A well-balanced diet combined with regular physical activity.
What is Poor Nutrition?
- Reduced immunity to disease.
- Impaired physical and mental development.
- Reduced productivity.
What is Energy?
- Amount of work required to change the state of a Physical system.
- ATP stores energy.
What is the Hydrolysis of ATP?
ATP to ADP releases 7.3 Kcal (31kj/mole)
APT to AMP releases 7.3 Kcal (31kj/mole)
What storage does the human body have for food?
- Limited amounts of Carbohydrate
- High levels of fat & protein
What fuel is released from the stores when required?
- Glucose is the first preference (Brain’s only fuel)
- Fat stores = next best choice
- Protein is not used for energy less unless despereate
What are Nutrients?
Substance in food that provides energy to the body
What do Carbohydrates do?
Source of energy.
- Stored in the muscle and liver as glycogen.
- Glucose that is not stored will be oxidized.
What does Protein do?
- Is only used as a fuel when Carbohydrates and Fat stores are low.
- Mostly found in the muscles.
- Required for growth and repair of muscles.
What are Lipids?
The richest form of dietary energy.
What do Lipids do?
- Required for immune health and absorption of some vitamins.
- The largest source of stored energy in the body.
What does Alcohol do?
Alcohol consumption causes a rapid rise in Alcohol oxidation.
Average energy intake for adults?
8,700kj
What does BMR mean and do?
Basal Metabolic Rate
Energy used while asleep (supine)
-(Sleeping)
What does RMR mean and do?
Resting Metabolic Rate
The minimum energy required for normal daily activity is affected by age, sex, body size, and stress
-(Resting)
