Q: A food contains 8 grams of fat, 20 grams of protein, and 30 grams of carbohydrate. What is the total caloric content of this food?

$$8 \times 9 + 20 \times 4 + 30 \times 4 = 272$$ kcal

Q: A person consumes 50 grams of carbohydrate, 10 grams of fat, and 20 grams of protein in a meal. How many kilocalories did they consume?

$$50 \times 4 + 10 \times 9 + 20 \times 4 = 330$$ kcal

Question 1

Which of the following best describes the difference between essential and non-essential nutrients?

Accepted Answer

Essential nutrients must be obtained from the diet because the body cannot synthesize them in sufficient amounts, while non-essential nutrients can be synthesized by the body.

Question 2

A food contains 8 grams of fat, 20 grams of protein, and 30 grams of carbohydrate. What is the total caloric content of this food?

Accepted Answer

$$8 	imes 9 + 20 	imes 4 + 30 	imes 4 = 272$$ kcal

Question 3

Which of the following nutrients does NOT provide energy to the body?

Accepted Answer

Water

Question 4

Which of the following is an example of a micronutrient?

Accepted Answer

Vitamin C

Question 5

A person consumes 50 grams of carbohydrate, 10 grams of fat, and 20 grams of protein in a meal. How many kilocalories did they consume?

Accepted Answer

$$50 	imes 4 + 10 	imes 9 + 20 	imes 4 = 330$$ kcal

Question 6

Which of the following statements about the Canadian diet is TRUE?

Accepted Answer

The modern Canadian diet is associated with increased risk of chronic diseases such as heart disease and cancer.

Question 7

Which of the following is a function of proteins in the body?

Accepted Answer

They form and maintain body structures such as muscles and connective tissue.

Question 8

Which of the following best defines nutrient density?

Accepted Answer

The amount of nutrients a food provides relative to its energy content.

Question 9

Which of the following is an example of a well-designed nutrition experiment?

Accepted Answer

A randomized controlled trial with quantifiable data and an appropriate sample size.

Question 10

Which of the following nutrients is classified as inorganic?

Accepted Answer

Minerals

Question 11

Which of the following is a key difference between observational studies and randomized controlled trials in nutrition research?

Accepted Answer

Randomized controlled trials involve manipulating variables, while observational studies do not.

Question 12

Which of the following is a major function of water in the human body?

Accepted Answer

Regulating body temperature through sweat.

Question 13

Which of the following is a characteristic of overnutrition?

Accepted Answer

It can lead to obesity and increased risk of chronic diseases.

Question 14

Which of the following is a correct statement about the energy content of macronutrients?

Accepted Answer

Lipids provide more energy per gram than carbohydrates or proteins.

Question 15

A nutrition label states that a snack contains 10 grams of fat, 5 grams of protein, and 15 grams of carbohydrate. Calculate the total energy content in kilocalories.

Accepted Answer

$$10 	imes 9 + 5 	imes 4 + 15 	imes 4 = 170$$ kcal

Question 16

Which of the following is a critical question to ask when evaluating a nutrition claim?

Accepted Answer

Is the claim based on a single, unpublished study?

Question 17

Which of the following best explains why correlation does not imply causation in nutrition research?

Accepted Answer

Because two variables may be associated without one directly causing the other.

Question 18

Which of the following is an example of a fat-soluble vitamin?

Accepted Answer

Vitamin D

Question 19

Which of the following is a real-world example of how food choices are influenced by factors other than nutrition?

Accepted Answer

Selecting foods based on religious dietary laws.

Question 20

Which of the following statements about the scientific method in nutrition research is TRUE?

Accepted Answer

A hypothesis is tested through experiments and observations.

Nutrition: Food for Health – Foundations and Applications

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