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Basic Concepts in Nutrition Quiz

#1

Which of the following is a macronutrient?

Protein
Explanation

Macronutrients are nutrients required by the body in relatively large amounts, and proteins are one of the three main macronutrients.

#2

What is the primary function of carbohydrates in the body?

Providing quick energy
Explanation

Carbohydrates are the body's primary source of energy, providing a quick and readily available fuel for various physiological processes.

#3

Which of the following is a water-soluble vitamin?

Vitamin C
Explanation

Vitamin C is a water-soluble vitamin, meaning it dissolves in water and is not stored in the body for an extended period, requiring regular intake.

#4

Which mineral is important for maintaining healthy bones and teeth?

Calcium
Explanation

Calcium is a vital mineral for the formation and maintenance of healthy bones and teeth.

#5

Which of the following nutrients is essential for the formation of red blood cells?

Iron
Explanation

Iron is an essential nutrient for the formation of hemoglobin, the protein in red blood cells that carries oxygen.

#6

Which nutrient is primarily responsible for repairing body tissues?

Proteins
Explanation

Proteins play a crucial role in repairing and building tissues, making them essential for the maintenance and growth of the body.

#7

What is the main function of vitamins and minerals in the body?

Regulating body processes
Explanation

Vitamins and minerals serve as micronutrients that regulate various physiological processes in the body, supporting overall health and function.

#8

What is the term for a unit of heat energy produced by food when metabolized?

Calorie
Explanation

A calorie is a unit of measurement for the energy content of food, representing the amount of heat energy released during metabolism.

#9

What is the recommended daily intake of water for an average adult?

2 liters
Explanation

The recommended daily intake of water for an average adult is around 2 liters, but individual needs may vary based on factors like activity level and climate.

#10

What is the main function of dietary fiber in the body?

Aiding in digestion
Explanation

Dietary fiber plays a key role in digestion, promoting bowel regularity and supporting a healthy digestive system.

#11

Which of the following nutrients yields the highest amount of energy per gram?

Fats
Explanation

Fats are a dense energy source, providing the highest amount of energy per gram among the three macronutrients.

#12

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

Providing energy
Explanation

While water is essential for various bodily functions, it does not provide energy like macronutrients; instead, it supports processes like hydration, temperature regulation, and nutrient transport.

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