Macronutrients
What is a macronutrient?
a compound required in large amounts by the body
What is a micronutrient?
a compund required in a small amount in the body.
what does it mean to have a nutritional imbalance
under consumption of fibre, calcium and iron, overconsumption of carbs
what are the 3 food selection models?
- australian guide to healthy eating
- health star rating system
- healthy eating pyramid
name some sociocultural factor
gender,family,peer groups,income,education,relgion and culture group
What acts as a "cleaner" for the digestive system.
Fibre
What is calciums main function?
Ossifying hard tissue
identify and describe a short-term consequence of nutriotional imbalance.
fatigue- underconsumption of folate and iron limit energy production.
Constipation- underconsumption of fibre leads to constipation as fibre adds bulk to aid in the removal of waste.
dehydration- not enough water leads to dehydration.
hypertension/high blood pressure- caused by sodium drawing fluid from cells into the bloodstream-- which increases blood volume.
high blood cholesterol- excessive cholesterol causes fatty deposits in the arteries.
what is a food selection model designed for?
it is desgined to encourage all people to consume a balanced diet and limit short and long term health consequesnces
how can social media be an enabler
social media can be an enabler due to the promotion and adertisements of food and drinks which can include engaging content for customers.
How many kJ is 1g or carbohydrates?
16kJ
What vitamin is responsible for DNA synthesis?
Folate
give one underconsumption and overconsumption of nutrients that is common within youth.
-underconsumption of fibre, calcium, and iron.
-overconsumption of fats, sodium, and carbs
What was the health star rating system introduced for?
the health star rating system was introduced to help improve food choices by rating the overall nutritional value.
how can income be a barrier
energy dense food tend to be less expensive which can be the first choice for low income groups
Fats make up 25% of the intake of Macronutrients, which is broken down into 4 types. What are those and the % they take up?
Monounsaturated 10%
Polyunsaturated 5%
Saturated 9%
Trans 1%
What can a insufficency in folate or iron cause.
anaemia and folate-deficiency anaemia.
list two short term consequence of nutritonal imbalance
constipation and fatigue
what is one strength and one limitation of the australian guide to healthy eating and explain why
strengths:
- visual model
- shows specific examples in each group
limitations:
- lack of information regarding serving sizes
- composite foods are not included
how can family be a barrier
familys can influence food intake,patterns and behaviours which could lead to eating foods with high sugar that could lead to overweight,cardiovascular
What is the difference between complete and incomplete proteins?
Complete proteins contain all essential amino acids, usually found in animal products.
incomplete protiens doesn't contain all amino acids and is needed to be eaten with other proteins, usually found in plant products.
What is the main function of vitamin D
vitamin D main function is to aid in the absorbtion of calcium
name and define two long term consequences
tooth decay-acids cause tooth decay
obesity-excessive consumption of carbohydrates
what does the middle layer contain in the healthy eating pyramid (list at least 6)
milk, yoghurt, cheese, lean meat, poultry, fish, eggs, nuts, seeds, and legumes groups
explain how packaging and food labelling acts an enabler
branding and colouring on packaging influences the attractiveness, convience and value of the product. also influences food choices for diet