Nutrition and Energy Balance Flashcards
Define ‘nutrition’.
The intake of food, considered in relation to the body’s dietary needs
Define ‘malnutrition’.
When a person’s diet does not provide enough nutrients or the right balance of nutrients for good health
List 4 common causes of iron deficiency.
- Heavy menstrual bleeding
- Bleeding from the GI tract
- Inadequate diet
- Malabsorption issues
Define ‘basal metabolism’.
The energy required to keep your body functioning at rest.
List the 3 components of energy expenditure.
- Basal metabolism
- Physical activities
- Thermic effect of food
State the energy content of carbohydrates and what percentage of energy intake should come from carbohydrates.
4 kcal/g
50 - 75%
State the energy content of fats and what percentage of energy intake should come from fats.
9 kcal/g
15 - 30%
State the energy content of proteins and what percentage of energy intake should come from proteins.
4 kcal/g
10 - 20%
Define the thermic effect of food.
The amount of energy it takes for your body to digest, absorb, and metabolise the food you eat.
The deprivation of certain vitamins leads to what?
The development of a clinical deficiency disease and abnormal metabolic signs.
What is vitamin B1?
Thiamine
What is vitamin B2?
Riboflavin
What is vitamin B3?
Niacin
What is vitamin B5?
Pantothenic acid
What is vitamin B6?
Pyridoxine
