Chapter 8-13 Test

Which nutrient is the primary source of energy for the body during moderate-intensity exercise?

• Protein

• Carbohydrate

• Fat

• Vitamin C

What is the main function of protein in the human body?

• Providing insulation

• Building and repairing tissues

• Storing genetic information

• Regulating body temperature

Which mineral is essential for oxygen transport in the blood?

• Calcium

• Iron

• Sodium

• Potassium

Which vitamin is important for vision and immune function?

• Vitamin A

• Vitamin D

• Vitamin K

• Vitamin B12

Which of the following is a benefit of regular physical exercise?

• Increased risk of heart disease

• Improved mental health

• Decreased bone density

• Reduced muscle strength

What is the primary function of the cardiorespiratory system?

• Digesting food

• Transporting oxygen and nutrients

• Producing hormones

• Filtering waste

Which of the following is a sign of dehydration during exercise?

• Increased energy

• Dark-colored urine

• Improved concentration

• Lower heart rate

Which nutrient helps regulate fluid balance in the body?

• Sodium

• Vitamin C

• Fiber

• Zinc

Which type of exercise is best for improving cardiorespiratory endurance?

• Weight lifting

• Yoga

• Running

• Stretching

What is the recommended daily intake of water for teenagers (on average)?

• 1 cup

• 2 cups

• 6-8 cups

• 15 cups