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Study Guide: Home Economics Nutrition Revision Notes
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Home Economics Nutrition Revision Notes

By Fatskills Exam Guides Team — the exam nerds behind 28,500+ quizzes and 2.1M practice questions across 500+ global exams.

⏱️ ~9 min read

What are some factors that affect our food choices?
Advertising
Religion
Culture
Dislikes
Special Diets
Marketing
Family
Money
Sustainability
Time
Likes
How You Feel
Healthy or Unhealthy

What are the dietary needs of a baby?
Breastfeeding of formula feeding for the first few months of life.
Solid foods such as bread can be introduced at about four to six months (Weaning).
Avoid using hard baby foods and do not add sugar or salt to baby foods.

Why do we eat?
To get energy
As a form of relaxation
As a way of entertaining
As a source of comfort

What are the dietary needs of children?
Encourage children to eat a wide variety of healthy foods.
Include three regular meals of child-sized portions.
Include healthy snacks such as vegetables.

What are food miles?
The number of miles the food travels from where it was grown to the location where the consumer purchases it.

What are the dietary requirements for teenagers?
A well-balanced diet using a variety of healthy foods.

What are ethical issues?
What is morally right or wrong. Examples of ethical food choices are:
Buying Fairtrade goods
Choosing a vegetarian diet
Avoiding fruit and vegetables prepackaged in plastic

What are the dietary requirements for adults?
Follow a well-balanced diet that includes a variety of foods.
SEDENTARY workers are not very active so need to reduce their kilocalorie intake to avoid gaining too much weight.
MANUAL workers lead active lives and can afford to eat a high-energy diet without gaining too much weight.

What are our senses?
Sight
Hearing
Taste
Smell
Touch

What are the benefits of eating well throughout the day?
Prevents excessive weight gain.
Helps to keep your skin clear.
Keeps your teeth strong and healthy.
Provides all the nutrients you need.
Improves concentration.
Gives you energy.

What are the functions of food?
Supplies heat and energy
Helps with growth and repair of body cells
It protects against diseaase

When Planning Meals, Consider:
Nutrition
Special Diets
Money
Variety
Time
Occasion
Equipment Available
Number of People
Lifestyle
Likes and Dislikes
Sustainability

What are the six nutrients?
carbohydrates
protein
fats
vitamins
minerals
water

What Should You Consider When Writing A Menu?
Decide on sustainable food.
Include at least three of the four main food groups.
Do not offer choices.
Include cooking method.
Name vegetables.
Include accompaniments.
Present the menu neatly boxed and centred.

Example:
Dinner Menu -

Leek and Potato Soup
(With a Roll)

Chili Con Carne with Rice

Blueberry and Rhubarb
Crumble with Cream

What are macronutrients?
carbohydrates, fats, proteins
Measured in grams (g)

What is the starter?
Starters or appetisers are the first course of a meal.
They help to stimulate the appetite.
Examples are:
Vegetable Soup with Bread Rolls
Cheesy Sprout Fondue
Tomato and Prosciutto Salad

What are micronutrients?
vitamins, minerals, water
Measured in milligrams (mg) or micrograms

What is the Main Course?
All main courses should be well balanced, as they may be the only course of a main meal.
Examples are:
Chicken Curry and Basmati Rice
Spaghetti Bolognese
Oven-baked Risotto
Paella
Roast Chicken

What are the sources of protein?
Animal Protein/ High Biological Value (HBV)
milk and milk products, meat,
poultry, fish, eggs,

Vegetable Protein/ Low Biological Value (LBV)
dried peas and beans, nuts

What is the Dessert?
Desserts are usually a sweet dish sometimes served at the end of a meal.
Examples are:
Apple and Blackberry Crumble
Chocolate Fudge Brownie
Flavours of Ice Cream
Lemon Cheesecake
Vanilla Cupcakes

Plant foods as a source of protein?
Contains less fat (No saturated fat)
Contains more cellulose (fibre)
Cheaper to produce
Less land is required to produce plant foods than to raise animals

What is wellbeing?
The state of being comfortable, healthy, and happy.

What are the functions of protein?
Growth and repair of body cells
Production of hormones, enzymes and antibodies

What kind of home is essential for wellbeing and health?
A safe and nurturing home.

What are the sources of fat?
1) butter, meat, eggs, cheese, cream: SATURATED FAT
2) nuts, seeds, vegetable oils, cereals: UNSATURATED FAT

A Healthy Lifestyle Begins In Childhood By:
Being vaccinated against diseases, such as mumps and measles.
Having developmental checks during early childhood.
Establishing healthy lifestyle habits, such as eating well and exercising regularly.

What are the functions of fat?
Production of heat and energy
Insulates the body, preventing heat loss
Protection of delicate bones, e.g the kidneys

What is required for a healthy lifestyle?
A balanced diet
Not abusing alcohol or drugs
A hygienic home
Good personal hygiene
Taking care of your mental health
Not smoking
Regular exercise
Get enough rest and sleep

What are the benefits of saturated fat?
Some unsaturated fats help to reduce cholesterol in the blood
Omega fatty acids are thought to reduce the risk of heart disease
They are also associated with improved brain function

What are the benefits of rest and sleep?
Sleep supports growth and development
It helps the brain to work well
Teenagers generally need seven to nine hours a night.
Some people suffer from sleeplessness or insomnia.

What are sources of omega fatty acids?
Oily fish
Seeds
Nuts

What are the benefits of relaxation and leisure?
Leisure gives us a chance to relax and take a break from work.
Relaxation and leisure help you to:
Reduce stress
Relieve boredom
Keep your brain active
Learn something new

What are sources of carbohydrates?
SUGAR-
Cakes
Biscuits
Jam
Honey
Soft Drinks

STARCH-
Potatoes
Cereals
Bread
Pasta

CELLULOSE-
Vegetables
Fruit
Wholegrain cereals
Seeds
Nuts

What are the benefits of regular exercise?
Improves fitness level
Keeps muscles toned and joints flexible
Improves health and wellbeing
More efficient heart and lungs, less risk of conorary heart disease
May lead to weight loss
Slows down the ageing process
Can reduce high blood pressure
Team sports help build confidence and develop communication skills

What are the functions of carbohydrates?
Supply heat and energy
Extra carbohydrates are stored as fat, which insulates the body and prevents heat loss.

What is aerobic exercise?
Activity that makes you breathless, forcing the lungs to take in more oxygen.

What are the roles of cellulose?
Aids digestion by helping food to move through the intestines (peristalsis)
Helps prevent diseases such as bowel cancer
Prevents constipation

What induces stress in teenagers?
Schoolwork and exams
Peer pressure
Bullying
Conflict at home
Relationships
Social Media

What are empty kilocalories?
Many sweet foods provide 'empty kilocalories'
This means that they contain sugar only and are lacking in all other nutrients
Too much sugar leads to tooth decay and weight gain

Relieve Stress By:
Talking about problems with a friend or someone you trust.
Being organised and prepared.
Taking complete breaks from stressful situations
Taking exercise

How do you reduce sugar intake?
Replace sweet snacks with healthier choices e.g fruit and vegetables
Drinking water instead of soft drinks
Sweetening foods such as porridge with fresh or dried fruit
Reading the food labels to check the sugar content and to look for hidden sugars

Internet Safety
Don't believe everything you see. Do some research into the topic before believing anything.
Only enter secure websites.
Use strong, secure passwords and have a private account.

What are the fat soluble vitamins?
A, D, E, K

What are the water soluble vitamins?
B and C

What are the functions of water?
Essential part of all body tissues and fluids.
Carries nutrients and oxygen to all cells of the body.
Helps remove waste from the body.
Regulate body temperature by perspiration and evaporation.

What are the properties of water?
Colourless, odourless and tasteless.
Dissolves substances easily.
Evaporates easily.
Boils at 100°C
Freezes at 0°C

What are the sources, functions and deficiencies of Vitamin A?
SOURCES-
Oily Fish
Liver
Eggs

FUNCTIONS-
Good Eyesight
Growth

DEFICIENCIES-
Retarded Growth
Night-Blindness

What are the sources, functions and deficiencies of Vitamin D?
SOURCES-
Oily Fish
Fortified Cereals
Sunlight

FUNCTIONS-
Healthy Bones
Healthy Teeth

DEFICIENCIES-
Rickets-a-Bone Disease
Tooth Decay
Brittle Bones

What are the sources, functions and deficiencies of Vitamin E?
SOURCES-
Seeds
Nuts
Cereals

FUNCTIONS-
Protects Against Diseases
Healthy Skin

DEFICIENCIES-
Rare

What are the sources, functions and deficiencies of Vitamin K?
SOURCES-
Green Veg
Blueberries
In the Body

FUNCTIONS-
Normal Blood Clotting

DEFICIENCIES-
Blood Will Not Clot Normally

What are the sources, functions and deficiencies of Vitamin B?
SOURCES-
Meat
Eggs
Cereals

FUNCTIONS-
Controls Release of Energy from Healthy Nervous System

DEFICIENCIES-
Slow Growth
Tiredness
BeriBeri (a nerve disease)

What are the sources, functions and deficiencies of Folate/Folic Acid?
SOURCES-
Wholemeal Bread
Fortified Cereals

FUNCTIONS-
Prevents Neural Tube Defects (NTD's)

DEFICIENCIES-
None

What are the sources, functions and deficiencies of Vitamin C?
SOURCES-
Fruit
Blackcurrant
Oranges
Lemons
Vegetables

FUNCTIONS-
Healthy Gums
Healing of Cuts and Wounds

DEFICIENCIES-
None

What are the sources, functions and deficiencies of the mineral Calcium?
SOURCES-
Milk
Cheese
Green Veg
Tinned Fish

FUNCTIONS-
Healthy Bones and Teeth

DEFICIENCIES-
Rickets
Osteoporosis
Dental Decay

What are the sources, functions and deficiencies of the mineral Phosphorus?
SOURCES-
Cheese
Liver
Eggs

FUNCTIONS-
Helps Calcium Form Teeth and Bones

DEFICIENCIES-
Unlikely, As It Is In Most Foods

What are the sources, functions and deficiencies of the mineral Iron?
SOURCES-
Red Meat
Offal
Dark Green Veg

FUNCTIONS-
Needed To Form Haemoglobin for Healthy Red Blood Cells

DEFICIENCIES-
Anasemia

What are the sources, functions and deficiencies of the mineral Fluorine?
SOURCES-
Water

FUNCTIONS-
Helps Prevent Tooth Decay

DEFICIENCIES-
Tooth Decay

What are the sources, functions and deficiencies of the mineral Sodium?
SOURCES-
All Salty Foods e.g Bacon, Peanuts

FUNCTIONS-
Found in All Body Fluids e.g Blood, Sweat

DEFICIENCIES-
Low Blood Pressure

What is energy?
The ability to perform a task.
We get energy from food.

What is the energy content of food is measured in?
Kilocalories or Kilojoules.

What does 1g of carbohydrate equal?
4 kcal
17 kj

What does 1g of protein equal?
4 kcal
17 kj

What does 1g of fat equal?
9 kcal
38 kj

What is the Basal Metabolic Rate?
The least amount of energy needed to keep the body alive. Also known as BMR.

What are the functions of energy?
Activity such as running and camogie.
Working of internal organs such as the heart.
Maintaining body temperature at 50°C.
Normal cell and blood functioning.
Making new skin cells.

Energy requirements vary according to...
Age
Size
Activities
Gender
Pregnancy and Breastfeeding
Climate

What is healthy eating?
Eating to maintain good health.

What is a balanced diet?
A diet that includes everything needed to keep the body healthy.

What do you use to plan healthy eating?
You can use the Food Pyramid and the Healthy Eating guidelines to plan healthy eating.

What are the Healthy Eating Guidelines?
1. Enjoy a wide variety of food, choosing the correct amount from each food group.
2. Eat plenty of different coloured vegetables, salads and fruit.
3. Increase fibre by choosing wholegrain breads, cereals potatoes, pasta and rice.
4. Choose low-fat milk, cheese and yoghurt.
5. Choose lean meat and poultry. Include oily fish. Beans, peas and lentils are good alternatives.
6. Choose healthier methods of cooking such as steaming and grilling.
7. Choose vegetable oils such as olive oil and low-fat oils. Use sparingly.
8. Balance food intake with active lifestyle to prevent weight gain.
9. Drink plenty of water.
10. Use the Food Pyramid as a guide to serving size.
11. Limit salt intake. Limit food and drinks from the top shelf of the Pyramid.

What are the guidelines for health and wellbeing?
Eat a healthy balanced diet.
Get sufficient rest and sleep.
Take regular exercise to ensure both physical and mental health.
Maintain good personal hygiene.
Do not smoke or abuse alcohol or drugs.
If you feel under stress or you have a problem, talk to someone you trust.



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