$$\frac{45}{145} \times 100 = 31\%$$

$$10 \times 4 + 2 \times 4 + 8 \times 9 = 40 + 8 + 72 = 120$$ kcal

Question 1

Which of the following best defines 'nutrition' as described in the study materials?

Accepted Answer

The study of food, nutrients in food, other chemical constituents in food, and the effects of food constituents on health.

Question 2

Which of the following is NOT considered a nutrient but still provides energy?

Accepted Answer

Alcohol

Question 3

A Kit Kat™ bar contains 27g carbohydrate, 3g protein, and 11g fat. Calculate the total Calories in the bar using the appropriate energy values.

Accepted Answer

$$108 + 12 + 99 = 219$$ kcal

Question 4

Which of the following statements about essential nutrients is correct?

Accepted Answer

Essential nutrients are required in the diet because the body cannot make them or cannot make enough of them.

Question 5

Which of the following is an example of a non-essential nutrient?

Accepted Answer

Amino acids that can be synthesized by the body

Question 6

A bowl of soup contains 15g carbohydrate, 10g protein, and 5g fat. What percentage of the total Calories comes from fat? Show your calculation.

Accepted Answer

$$\frac{45}{145} 	imes 100 = 31\%$$

Question 7

Which of the following best describes a 'diet' in the context of nutrition?

Accepted Answer

A pattern of foods and beverages someone usually eats and drinks.

Question 8

Which of the following is a micronutrient?

Accepted Answer

Vitamin D

Question 9

Which of the following statements about phytochemicals is TRUE?

Accepted Answer

Phytochemicals are non-nutrient compounds in plants that may provide health benefits.

Question 10

Which of the following foods is considered a pure source of carbohydrate?

Accepted Answer

Table sugar

Question 11

How many kilocalories are provided by 20g of protein?

Accepted Answer

$$20 	imes 4 = 80$$ kcal

Question 12

Which of the following is NOT a function of nutrients?

Accepted Answer

Producing sound waves for communication

Question 13

Which of the following statements about vitamins and minerals is correct?

Accepted Answer

Vitamins and minerals do not provide energy (0 kcal/g).

Question 14

A food contains 10g carbohydrate, 2g protein, and 8g fat. Calculate the total energy content in kilocalories.

Accepted Answer

$$10 	imes 4 + 2 	imes 4 + 8 	imes 9 = 40 + 8 + 72 = 120$$ kcal

Question 15

Which of the following is a correct statement about macronutrients?

Accepted Answer

Macronutrients include carbohydrate, protein, and fat.

Question 16

Which of the following is an example of a food that contains all three macronutrients?

Accepted Answer

Meat

Question 17

Which of the following best describes the energy value of alcohol?

Accepted Answer

Alcohol provides $$7$$ kcal/g but is not considered a nutrient.

Question 18

Which of the following is a correct step in calculating the percentage of energy from protein in a food?

Accepted Answer

Divide the kcal from protein by the total kcal, then multiply by 100.

Question 19

Which of the following is NOT a micronutrient?

Accepted Answer

Protein

Question 20

Which of the following statements about food composition is correct?

Accepted Answer

Most foods are composed of all nutrients in varying amounts.

Introduction to Nutrition: Nutrients, Energy, and Food Components

Guida di studio - Domande di pratica