Principles of Nutrition and Energy Balance

Nutrition Science

A comprehensive guide on macronutrients, energy balance, basal metabolic rate (BMR), and nutrient-dense food choices for maintaining health and weight.

health biology dietetics

15 Questions Medium Ages 14+ Nov 3, 2026

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About this Study Set

This study set covers Nutrition Science through 15 practice questions. A comprehensive guide on macronutrients, energy balance, basal metabolic rate (BMR), and nutrient-dense food choices for maintaining health and weight. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 15 questions from the Principles of Nutrition and Energy Balance study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What percentage of total daily calories should ideally come from carbohydrates?

A 20-30%
B 45-65%
C 70-80%
D 10-15%

2 Which macronutrient provides 9 kcal per gram?

A Carbohydrates
B Proteins
C Fats
D Fiber

3 What is the primary function of the Basal Metabolic Rate (BMR)?

A Energy for exercise
B Energy for digestion
C Energy for essential physiological functions at rest
D Energy for brain activity only

4 Which term describes the energy required to digest, absorb, and metabolize food?

A Thermic Effect of Food (TEF)
B Basal Metabolism
C Energy Balance
D Physical Activity Energy Expenditure

5 What happens when energy intake is greater than energy expenditure?

A Weight loss
B Weight maintenance
C Weight gain
D No change

6 Which of the following is considered a nutrient-dense food?

A Refined sugars
B Leafy greens
C Processed meats
D Sodas

7 How much fiber is generally recommended per day?

A 5-10g
B 15-20g
C 25-38g
D 50-60g

8 What is the recommended limit for daily added sugars in a 2,000 calorie diet?

A Less than 10% of total calories
B Less than 25% of total calories
C Exactly 50g
D There is no limit

9 Which mineral is essential for bone density and oxygen transport?

A Sodium
B Iron
C Potassium
D Vitamin C

10 What is the primary purpose of the '3-3-3 Rule' mentioned for weight loss?

A To increase muscle mass
B To control hunger and manage blood sugar
C To improve sleep quality
D To maximize protein intake

11 What are essential organic compounds like vitamins A, C, and D called?

A Minerals
B Macronutrients
C Micronutrients
D Proteins

12 Why is lean muscle mass important for metabolism?

A It decreases BMR
B It has no effect on BMR
C It increases BMR
D It stores fat

13 Which food source is highlighted for its anti-inflammatory Omega-3 fatty acids?

A White bread
B Salmon
C Sugar
D Butter

14 What is the main role of carbohydrates in the body?

A Building muscle
B Providing energy
C Repairing tissue
D Regulating temperature

15 What is the recommended daily intake of sodium for healthy adults?

A Less than 2,300mg
B More than 5,000mg
C Exactly 1,000mg
D No restriction

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