ACE ACE - Personal Trainer Nutrition and Weight Management 1 — Questions and Answers
Question 1: How many calories are in one gram of dietary fat?
- 4 calories
- 7 calories
- 9 calories (Correct answer)
- 11 calories
Correct answer: 9 calories
Fat provides 9 calories per gram, making it the most calorie-dense macronutrient.
Question 2: Which macronutrient is the body's preferred fuel source during high-intensity exercise?
- Fat
- Protein
- Carbohydrates (Correct answer)
- Water
Correct answer: Carbohydrates
Carbohydrates, stored as glycogen, are the primary and preferred energy source during high-intensity anaerobic exercise.
Question 3: What BMI range is classified as 'overweight' according to standard guidelines?
- 18.5–24.9
- 25.0–29.9 (Correct answer)
- 30.0–34.9
- 35.0–39.9
Correct answer: 25.0–29.9
A BMI of 25.0–29.9 is classified as overweight according to the World Health Organization and CDC guidelines.
Question 4: What is the term for the minimum number of calories needed to maintain basic physiological functions at rest?
- Thermic effect of food
- Total daily energy expenditure
- Basal metabolic rate (Correct answer)
- Resting heart rate
Correct answer: Basal metabolic rate
The basal metabolic rate (BMR) represents the energy required to sustain essential bodily functions while at complete rest.
Question 5: How many calories per week must be reduced (through diet and/or exercise) to lose approximately one pound of body fat?
- 1,500 calories
- 2,000 calories
- 3,500 calories (Correct answer)
- 5,000 calories
Correct answer: 3,500 calories
One pound of body fat contains approximately 3,500 calories, so a weekly deficit of 3,500 calories equates to roughly one pound of fat loss.
Question 6: Which of the following is a fat-soluble vitamin?
- Vitamin C
- Vitamin B12
- Vitamin D (Correct answer)
- Vitamin B6
Correct answer: Vitamin D
Vitamin D is a fat-soluble vitamin (along with A, E, and K) that can be synthesized through sun exposure and is stored in body fat.
How many calories are in one gram of dietary fat?