Metabolism and Caloric Energy Quiz ch 18

What is metabolism?

• The process of breathing

• Chemical changes transforming food to energy

• The breakdown of water molecules

• The absorption of nutrients

What does one calorie represent?

• The amount of energy needed to raise the temperature of 1g of water by 1 degree Celsius

• The amount of energy needed to raise the temperature of 1kg of water by 1 degree Celsius

• The amount of energy needed to raise the temperature of 1g of water by 10 degrees Celsius

• The amount of energy needed to raise the temperature of 10g of water by 1 degree Celsius

How many calories are in one dietary Calorie?

• 100

• 500

• 1000

• 2000

What are the primary sources of calories in the diet?

• Vitamins and minerals

• Carbohydrates, proteins, and fats

• Water and fiber

• Antioxidants and enzymes

How many kilocalories per gram do carbohydrates and proteins provide?

• 2 kcal/g

• 4 kcal/g

• 6 kcal/g

• 9 kcal/g

How many kilocalories per gram do fats provide?

• 3 kcal/g

• 5 kcal/g

• 7 kcal/g

• 9 kcal/g

What is the primary use of calories in the body?

• To build muscle

• To make ATP

• To store fat

• To produce vitamins

What are nutrients used for in the body?

• Decoration

• Fuel, growth, repair, or maintenance

• Entertainment

• Communication

Which of the following is NOT one of the six major classes of nutrients?

• Water

• Carbohydrates

• Plastics

• Proteins

Which of the following is a macronutrient?

• Vitamins

• Minerals

• Carbohydrates

• Water