What is the first factor affecting energy requirements?
Age
1 of 22
How much energy do babies need and why?
They have a high energy requirement in proportion to their weight, as they are both physically and mentally growing
2 of 22
How much energy do children need and why?
They have a high energy requirement as they are very active
3 of 22
How much energy do teenagers need and why?
They go through puberty - body changes physically as well as growth spurts
4 of 22
How much energy do adults need and why?
They need less calories for energy as they become more sedentary
5 of 22
How much energy do the elderly need and why?
They need less energy as they become more sedentary, have a less active lifestyle and their body also slows down
6 of 22
What is the second factor affecting energy requirements?
Gender
7 of 22
Which gender typically need more energy?
Males
8 of 22
Why do males typically need more energy?
They generally have a larger frame, and are also bigger and taller than females. Men also typically have a higher muscle mass, so they would need more calories
9 of 22
Why do women need more fat than men?
For childbearing
10 of 22
What is the third factor affecting energy requirements?
Activity levels
11 of 22
Why would a more sedentary person need less calories?
They would have a higher resting energy expenditure, so they would move less and therefore need less energy
12 of 22
Why would a physically active person need more calories?
They would have a higher energy expenditure of physical activity, they would move around more and therefore need more energy
13 of 22
What is BMI?
Basal Metabolic Rate (BMI) is the number of calories required to keep you body functioning at rest (60%)
14 of 22
What is the fourth factor affecting energy requirements?
State of health
15 of 22
How would pregnancy affect your energy requirements?
You would need 200 more calories a day for the final trimester
16 of 22
How would lactation affect your energy requirements?
You would need 400 more calories a day more for six months before weaning
17 of 22
Why does food need to be introduced in the diet of a baby after six months?
There is no iron in milk, and the foetus only stores a six month supply of iron (in the liver)
18 of 22
How would illness affect your energy requirements?
Your body would spend a lot of energy fighting disease. Your body typically also rises in temperature, you lose weight and you eat less
19 of 22
What is the final factor affecting energy requirements?
Climate
20 of 22
How would a warmer climate affect your energy requirements?
In warmer climates, we tend to eat less or consume more raw food (e.g. salad and ice cream). Therefore, we would need more calories as we eat less
21 of 22
How would a colder climate affect your energy requirements?
In cold climates, there is a need to eat warm food to generate heat energy in your body (e.g. soups and casseroles)
22 of 22
Other cards in this set
Card 2
Front
How much energy do babies need and why?
Back
They have a high energy requirement in proportion to their weight, as they are both physically and mentally growing
Comments
No comments have yet been made