Q: A food contains 10 grams of carbohydrates, 5 grams of protein, and 2 grams of fat. Calculate the total calories in this food using the appropriate energy values for each macronutrient.

$$ (10 \times 4) + (5 \times 4) + (2 \times 9) = 40 + 20 + 18 = 78 $$ calories

Question 1

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

Accepted Answer

The sum of all processes involved in how organisms obtain nutrients, metabolize them, and use them to support all of life’s processes.

Question 2

Which of the following is NOT considered a macronutrient?

Accepted Answer

Vitamins

Question 3

A food contains 10 grams of carbohydrates, 5 grams of protein, and 2 grams of fat. Calculate the total calories in this food using the appropriate energy values for each macronutrient.

Accepted Answer

$$ (10 	imes 4) + (5 	imes 4) + (2 	imes 9) = 40 + 20 + 18 = 78 $$ calories

Question 4

Which of the following statements about health is most accurate according to the World Health Organization definition?

Accepted Answer

Health is a state of complete physical, mental, and social well-being.

Question 5

Which of the following is an example of a micronutrient?

Accepted Answer

Vitamin C

Question 6

A randomized clinical trial is best described as:

Accepted Answer

A scientific investigation in which a variable is changed between groups of people.

Question 7

Which of the following best describes the concept of 'nutrigenomics'?

Accepted Answer

The study of how nutrients affect gene expression and how genes affect nutritional requirements.

Question 8

Which of the following is a key attribute of a sustainable food system?

Accepted Answer

It ensures food is available, accessible, affordable, humane, and just for all.

Question 9

Which of the following is a practical step an individual can take to support a sustainable food system?

Accepted Answer

Compost food and garden waste.

Question 10

Which of the following best describes the scientific method as used in nutritional science?

Accepted Answer

An organized process of inquiry involving observation, hypothesis, testing, evaluation, and conclusion.

Question 11

Which of the following is NOT a component of lifestyle that affects health status?

Accepted Answer

Genetic mutations

Question 12

A person wants to assess their personal health. Which of the following is NOT a recommended step?

Accepted Answer

Rely solely on how they feel without any assessment.

Question 13

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

Accepted Answer

A gram of carbohydrate provides 4 calories.

Question 14

Which of the following is an example of a social determinant that can affect food choice?

Accepted Answer

Peer pressure

Question 15

Which of the following best describes 'disease' as defined in the study materials?

Accepted Answer

Any abnormal condition that affects the health of an organism and is characterized by specific signs and symptoms.

Question 16

Which of the following is a reason why nutrient density is important in evaluating food quality?

Accepted Answer

It measures the amount of essential nutrients relative to the energy content of the food.

Question 17

Which of the following is an example of how environment can impact nutrition?

Accepted Answer

Socioeconomic status affecting access to healthy food.

Question 18

Which of the following is a correct application of the scientific method in nutrition?

Accepted Answer

Making an observation about a population's diet, forming a hypothesis, conducting a randomized clinical trial, and drawing a conclusion.

Question 19

Which of the following is a recommended strategy for improving personal nutrition and health?

Accepted Answer

Set long-term goals and track progress using a food journal.

Question 20

Which of the following best describes the role of water as a nutrient?

Accepted Answer

It is a macronutrient vital to life, composed of hydrogen and oxygen.

Nutrition Basics: Foundations of Nutrition, Health, and Disease

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