Calories and BMI

Question 1

What is a calories?

Answer 1

The unit energy is measured in food

Question 2

Where should calories come from?

Answer 2

Carbohydrate has 4kcal / g
Protein has 4 kcal/g
Fat has 9 kcal /g
Get a maximum of 35% of your calories from fat
and 50% of your calories from carbohydrate. Get
at least 15% of your calories from protein.

Question 3

What is Body Mass Index(BMI)?

Answer 3

A way of measuring if you are a healthy weight for
your height.
BMI = weight (kg) x height (m)2

Question 4

How many calories should an adult female and
male have each day?

Answer 4

2000 kcal and 2500 kcal

Question 5

How could you tell if someone was obese?

Answer 5

They would have a body mass index over 30 and a waist measurement of over 94cm for a male and 80cm for a female.

Question 6

What is a healthy BMI?

Answer 6

A healthy BMI is 18.5 - 25

Question 7

How many calories should a teenage girl and boy
have each day?

Answer 7

2850 kcal and 3450 kcal

Question 8

What are the causes of obesity?

Answer 8

• Eating more food than you need
• lack of exercise
• over consumption of food high in fat and sugar
• low budget
• lack of cooking facilities or cooking knowledge
• genes
• depression.

Question 9

What are side effects of obesity?

Answer 9

• Heart disease
• high blood pressure
• stroke
• early death
• cancer
• kidney disease
• liver disease
• problems conceiving
• pressure on joints and bones.

Question 10

What is energy balance?

Answer 10

The balance between the number of calories you eat
and the number of calories you use in a day.

Question 11

What is negative energy balance?

Answer 11

Where you eat less calories than you use and so you
loose weight.

Question 12

Name 6 factors which effect your choice of food?

Answer 12

• Physical Activity Level (PAL)
• Celebration or Special Occasion Meals
• Cost of the Food
• Preferences e.g. religion or vegetarian
• Enjoyment of eating certain foods
• Food availability and storage or cooking facilities
• Healthy Eating
• Income
• Lifestyle / Life Stage
• Seasonality
• Time of Day
• Time available to Prepare

Question 13

Name a Religion and a food which is important or excluded from the diet.

Answer 13

Muslim only eat Halal Meat and not pork.
Jews eat nothing with a cloven hoof such as pigs.
Hindus do not eat beef.
Some Christians avoid meat on Friday and have fish
instead.
Sikhs follow a vegetarian diet.