Q: A person consumes 60 grams of carbohydrates, 20 grams of protein, and 10 grams of fat in a meal. Calculate the total energy content of the meal in kilocalories ($$kcal). $$Use the following values: $$4 \ kcal/g$$ for carbohydrates and protein, $$9 \ kcal/g$$ for fat.

$$(60 \times 4) + (20 \times 4) + (10 \times 9) = 240 + 80 + 90 = 410 \ kcal$$

Question 1

Which of the following best describes the difference between hunger and appetite?

Accepted Answer

Hunger is a physiological need for food, while appetite is a psychological desire to consume specific foods.

Question 2

A food label lists ingredients in the following order: whole wheat flour, sugar, canola oil, salt. What does this order indicate?

Accepted Answer

Ingredients are listed in descending order by weight, so whole wheat flour is the most abundant.

Question 3

Which of the following is NOT a function of water as a nutrient in the human body?

Accepted Answer

Provides a primary source of energy.

Question 4

A patient is diagnosed with a primary deficiency of vitamin C. Which scenario best explains this condition?

Accepted Answer

The patient does not consume enough vitamin C in their diet.

Question 5

Which of the following statements about macronutrients is correct?

Accepted Answer

Carbohydrates, lipids, and proteins are all considered macronutrients because they provide energy.

Question 6

A person consumes 60 grams of carbohydrates, 20 grams of protein, and 10 grams of fat in a meal. Calculate the total energy content of the meal in kilocalories ($$kcal). $$Use the following values: $$4 \ kcal/g$$ for carbohydrates and protein, $$9 \ kcal/g$$ for fat.

Accepted Answer

$$(60 	imes 4) + (20 	imes 4) + (10 	imes 9) = 240 + 80 + 90 = 410 \ kcal$$

Question 7

Which of the following best describes the process of facilitated diffusion in nutrient absorption?

Accepted Answer

It does not require energy but uses a protein carrier to move nutrients down a concentration gradient.

Question 8

Which of the following is a key characteristic of a nutrient-dense food?

Accepted Answer

It provides the highest level of nutrients for the lowest number of calories.

Question 9

A scientist wants to test whether a new diet reduces cholesterol levels. Which of the following best describes the experimental design?

Accepted Answer

Assigning participants to a group that receives the new diet and a group that does not, then comparing cholesterol levels.

Question 10

Which of the following is an example of a catabolic process?

Accepted Answer

Breakdown of triglycerides into fatty acids and glycerol.

Question 11

Which of the following statements about the Mediterranean Diet is correct?

Accepted Answer

It emphasizes plant-based foods, healthy fats, and moderate consumption of fish and poultry.

Question 12

Which of the following best describes the function of the gallbladder in digestion?

Accepted Answer

It stores bile produced by the liver and releases it to emulsify fats.

Question 13

A person is experiencing heartburn more than twice per week. Which condition is most likely?

Accepted Answer

Gastroesophageal reflux disease (GERD)

Question 14

Which of the following is true regarding the Recommended Dietary Allowance (RDA)?

Accepted Answer

It is the average daily nutrient intake level that meets the needs of nearly all (97-98%) healthy people.

Question 15

Which of the following best describes the process of dehydration synthesis?

Accepted Answer

An anabolic process where simple units combine to form a larger molecule and water is released.

Question 16

Which of the following is a micronutrient?

Accepted Answer

Vitamin C

Question 17

A person is unable to absorb fat-soluble vitamins efficiently. Which organ is most likely not functioning properly?

Accepted Answer

Gallbladder

Question 18

Which of the following best describes the role of the hypothalamus in hunger regulation?

Accepted Answer

It triggers feelings of hunger or satiety based on signals from the stomach and small intestine.

Question 19

Which of the following is an example of a chronic disease as defined in the study materials?

Accepted Answer

A disease that comes on slowly and persists for years.

Question 20

Which of the following best describes the process of glycolysis?

Accepted Answer

Breakdown of glucose to pyruvate.

Fundamentals of Nutrition: Key Concepts, Digestion, and Metabolism

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