THEORIES IF NUTRITION

Question 1

Law of conservation of energy

Answer 1

Energy cannot be created nor destroyed but can be transformed from one form to another

Question 2

Units of measurements

Answer 2

KiloJoules or KiloCalories

Question 3

1 unit of Kcal

Answer 3

4,182 KJ

Question 4

Calorimeter

Answer 4

Measures heat produced

Question 5

Types of calorimetry

Answer 5

Indirect calorimetry
Direct calorimetry

Question 6

Bomb calorimeter

Answer 6

A metal surrounded by water inside an insulating container

Question 7

Six nutrients

Answer 7

Carbohydrates, proteins, fats, vitamins and minerals

Question 8

Why is water a nutrient?

Answer 8

It is required in an amount that exceeds the body’s ability to produce.

Question 9

Relationship between CHO

Answer 9

Lower the percentage of oxygen in relation to hydrogen the more KiloJoules it supplies.

Question 10

Dr Walter Willet

Answer 10

Found out that the traditional food pyramid is flawed.

Question 11

According to Dr Walter Willet how should the food pyramid be.

Answer 11

Exercise-Good oils-Fiber filled whole grains-Vegetables and fruits-Proteins-Dairy-Carbohydrates

Question 12

Traditional food pyramid

Answer 12

All carbohydrates are good, all proteins offer the same nutrients, all oils are bad, dairy products should be consumed in high amounts.

Question 13

Tips for healthy diet

Answer 13

Physical exercise for at least 30 mins. Eat fruits. Eat green vegetables. Low fat milk. Low fat meat and poultry. Know the limits for sugar, salt and fats