Diet Macronutrients 1 — Questions and Answers
Question 1: How many calories does one gram of carbohydrate provide?
- 4 calories (Correct answer)
- 7 calories
- 9 calories
- 2 calories
Correct answer: 4 calories
Carbohydrates provide 4 calories per gram, the same as protein.
Question 2: Which macronutrient is the body's preferred primary source of energy?
- Fat
- Protein
- Carbohydrates (Correct answer)
- Fiber
Correct answer: Carbohydrates
Carbohydrates are the body's preferred and most readily used source of energy, especially for the brain and muscles.
Question 3: How many calories does one gram of fat provide?
- 4 calories
- 7 calories
- 9 calories (Correct answer)
- 5 calories
Correct answer: 9 calories
Fat is the most calorie-dense macronutrient, providing 9 calories per gram.
Question 4: What percentage of total daily calories is generally recommended to come from protein for a healthy adult?
- 5–10%
- 10–35% (Correct answer)
- 45–65%
- 20–40%
Correct answer: 10–35%
The Acceptable Macronutrient Distribution Range (AMDR) for protein is 10–35% of total daily calories.
Question 5: Which type of carbohydrate is digested most slowly and helps regulate blood sugar?
- Simple sugars
- Refined grains
- Complex carbohydrates (Correct answer)
- High-fructose corn syrup
Correct answer: Complex carbohydrates
Complex carbohydrates contain long chains of glucose that digest slowly, providing sustained energy and stabilizing blood sugar.
Question 6: What is the primary structural role of protein in the body?
- Storing energy
- Building and repairing tissues (Correct answer)
- Regulating blood sugar
- Absorbing fat-soluble vitamins
Correct answer: Building and repairing tissues
Protein's primary role is to build, repair, and maintain body tissues including muscle, skin, and organs.
Question 7: Which of the following is classified as a complete protein?
- Brown rice
- Black beans
- Lentils
- Chicken breast (Correct answer)
Correct answer: Chicken breast
Chicken breast is a complete protein because it contains all nine essential amino acids in adequate amounts.
Diet Macronutrients 1
How many calories does one gram of carbohydrate provide?