Understanding Nutrients and Their Functions

What are the six main groups of nutrients?

• carbohydrates, proteins, sugars, minerals

• carbohydrates, proteins, fats, vitamins, minerals, water

• vitamins, fats, fibers, enzymes

• sugars, fibers, enzymes, antioxidants

Why are nutrients essential for the body?

• Nutrients are essential for energy, growth, repair.

• Nutrients are only needed for digestion.

• Nutrients are primarily for taste and flavor.

• Nutrients are unnecessary for maintaining health.

What is the primary function of proteins in the body?

• To act as a primary source of vitamins.

• To store genetic information in cells.

• To provide energy for muscle contraction.

• To build and repair tissues.

How many different amino acids are there?

• 20

• 18

• 22

• 15

What unit is used to measure the body's energy?

• watts

• calories

• newtons

• joules

What do carbohydrates provide to the body?

• Carbohydrates provide protein to the body.

• Carbohydrates provide fiber to the body.

• Carbohydrates provide vitamins to the body.

• Carbohydrates provide energy to the body.

Why is water considered a vital nutrient?

• It is essential for life.

• Water is primarily used for cooking and cleaning.

• Water is only important for hydration during exercise.

• Water is a source of calories and energy.

What is the role of vitamins in human health?

• Vitamins are essential for metabolism, immune function.

• Vitamins can replace the need for a balanced diet.

• Vitamins are primarily used for energy production.

• Vitamins are only necessary for children and not adults.

How do fats contribute to energy supply?

• Fats are only stored in the body and do not contribute to energy production.

• Fats are a poor source of energy, yielding only 4 calories per gram.

• Fats provide a concentrated source of energy, and produce ATP.

• Fats are primarily used for building muscle tissue.

What is the relationship between calories and kilocalories?

• 1 kilocalorie is equal to 500 calories.

• 1 calorie is equal to 10 kilocalories.

• 1 kilocalorie is equal to 1000 calories.

• 1 kilocalorie is equal to 100 calories.