Macronutrients 1.1

Question 1

What are the three key nutrient groups that form macronutrients?

Answer 1

• Proteins
• Fats
• Carbohydrates

Question 2

How is energy from food measured?

Answer 2

Kilojoules

Question 3

Convert 1 Calorie to Kilojoules

Answer 3

4.2 Kilojoules

Question 4

How do you convert Calories to Kilojoules?

Answer 4

Calories x 4.2

Question 5

How do you convert Kilojoules to Calories?

Answer 5

Kilojoules ÷ 4.2

Question 6

Which macronutrient provides the most energy?

Answer 6

Fats

Question 7

Energy provided by Fats per gram

Answer 7

37.7 Kilojoules per gram

Question 8

Energy provided by Proteins per gram

Answer 8

16.7 Kilojoules per gram

Question 9

Energy provided by Carbohydrates per gram

Answer 9

16.7 Kilojoules per gram

Question 10

What is the total energy from 150g of Protein and Carbs?

Answer 10

2505 kilojoules

Question 11

What is the total energy from 150g of Fats?

Answer 11

5655 kilojoules

Question 12

Calculate the energy from 45g of Carbohydrates

Answer 12

751.5 kJ

Question 13

Calculate the energy from 15g of Protein

Answer 13

250.6 kJ

Question 14

Calculate the energy from 8g of Fats

Answer 14

301.6 kJ

Question 15

What is the total energy for a meal containing 45g of Carbs, 15g of Protein, and 8g of Fats?

Answer 15

1304 kJ

Question 16

What is the recommended percentage range for Protein according to Australian Guidelines?

Answer 16

15% to 25%

Question 17

What is the recommended percentage range for Fats according to Australian Guidelines?

Answer 17

20% to 35%

Question 18

What is the recommended percentage range for Carbohydrates according to Australian Guidelines?

Answer 18

45% to 65%

Question 19

What is the recommended percentage range for Simple Sugars according to Australian Guidelines?

Answer 19

10% to 15%

Question 20

How do you calculate the percentage of energy from a macronutrient?

Answer 20

Energy Distribution = (Energy from macronutrient / Total energy) x 100