NASM Chapter 9 Practice Test

National Academy of Sports Medicine (NASM) Certified Personal Trainer (CPT) Certification exam. NASM Chapter 9 Practice Test. There are 25 MCQs with explanations in Chapter 9: Nutrition. Download the free Quiz Quizlet PDF for CPT Certification based on the NASM 7th Edition CPT Study Guide.

NASM Chapter 9 Practice Test

Q1. What is the primary function of micronutrients in the body?

(A) To provide energy
(B) To enhance muscle mass
(C) To support biochemical reactions
(D) To increase fat metabolism

View Answer

Answer: (C)
Explanation: Micronutrients, including vitamins and minerals, support various biochemical reactions in the body, such as enzyme function and hormone synthesis, but do not provide energy themselves.

Q2. What is the role of a certified personal trainer when discussing nutrition with clients?

(A) Prescribing specific meal plans
(B) Giving general dietary guidance
(C) Diagnosing nutritional deficiencies
(D) Recommending supplements for chronic diseases

View Answer

Answer: (B)
Explanation: Certified personal trainers can provide general dietary guidance to support fitness goals but must not prescribe specific meal plans, diagnose conditions, or recommend supplements for chronic diseases, as these fall outside their scope of practice.

Q3. What is the energy yield per gram of protein?

(A) 7 calories
(B) 9 calories
(C) 4 calories
(D) 2 calories

View Answer

Answer: (C)
Explanation: Protein yields 4 calories per gram, providing energy as well as playing critical roles in building and repairing tissues, and making hormones and enzymes.

Q4. Which type of fiber dissolves in water to form a gel-like substance?

(A) Insoluble fiber
(B) Soluble fiber
(C) Digestible fiber
(D) Resistant starch

View Answer

Answer: (B)
Explanation: Soluble fiber dissolves in water to form a gel-like material, which can help lower blood cholesterol and glucose levels.

Q5. What is a complete protein?

(A) A protein that contains all nine essential amino acids
(B) A protein that enhances muscle recovery
(C) A protein that comes only from plant sources
(D) A protein that exclusively provides energy

View Answer

Answer: (A)
Explanation: A complete protein contains all nine essential amino acids necessary for the dietary needs of humans, typically found in animal products and a few plant sources like quinoa and soy.

Q6. What is the recommended protein intake for strength athletes per kg of body weight?

(A) 0.8 grams
(B) 1.2 grams
(C) 1.6 – 1.7 grams
(D) 2.0 grams

View Answer

Answer: (C)
Explanation: For strength and resistance athletes, the recommended protein intake is between 1.6 and 1.7 grams per kilogram of body weight to support muscle repair and growth.

Q7. Which vitamin is water-soluble?

(A) Vitamin A
(B) Vitamin K
(C) Vitamin C
(D) Vitamin D

View Answer

Answer: (C)
Explanation: Vitamin C is water-soluble, meaning it dissolves in water and is not stored in the body, necessitating daily intake to maintain adequate levels.

Q8. What does the glycemic index measure?

(A) The fat content of food
(B) The protein quality of food
(C) The blood sugar raising potential of carbohydrates
(D) The mineral content in dietary supplements

View Answer

Answer: (C)
Explanation: The glycemic index measures the effect of carbohydrates on blood sugar levels, categorizing foods by how quickly they raise glucose levels after ingestion.

Q9. What is the primary function of carbohydrates in the body?

(A) To provide structural support
(B) To serve as the primary source of energy
(C) To prevent diseases
(D) To aid in fat digestion

View Answer

Answer: (B)
Explanation: Carbohydrates serve as the body’s primary energy source, especially during high-intensity exercise, by breaking down into glucose which is used for energy production.

Q10. What is the role of unsaturated fats in the diet?

(A) To increase cholesterol levels
(B) To provide essential fatty acids
(C) To slow down metabolism
(D) To decrease nutrient absorption

View Answer

Answer: (B)
Explanation: Unsaturated fats are crucial in the diet as they provide essential fatty acids that the body cannot synthesize on its own, supporting cell function and heart health.

Q11. How does hydration affect physical performance?

(A) It has no impact on performance
(B) Dehydration can impair endurance and strength
(C) Excessive hydration enhances muscle gain
(D) Only affects performance in hot climates

View Answer

Answer: (B)
Explanation: Adequate hydration is critical for optimal physical performance; dehydration can significantly impair both endurance and strength, affecting overall exercise capacity and recovery.

Q12. What is the AMDR for fat intake in the daily diet?

(A) 10-20%
(B) 20-35%
(C) 35-50%
(D) 50-65%

View Answer

Answer: (B)
Explanation: The Acceptable Macronutrient Distribution Range (AMDR) for fat in a healthy adult’s diet is 20-35% of total daily calories, providing essential fatty acids and aiding in the absorption of fat-soluble vitamins.

Q13. What is the primary benefit of soluble fiber?

(A) It prevents the absorption of essential nutrients
(B) It increases blood cholesterol levels
(C) It helps regulate blood sugar and cholesterol levels
(D) It decreases digestive efficiency

View Answer

Answer: (C)
Explanation: Soluble fiber helps regulate blood sugar and cholesterol levels by forming a gel-like substance in the digestive tract, which can bind to cholesterol and sugars, slowing their absorption.

Q14. Which nutrient has the highest energy yield per gram?

(A) Protein
(B) Carbohydrates
(C) Lipids (Fats)
(D) Alcohol

View Answer

Answer: (C)
Explanation: Lipids (fats) have the highest energy yield per gram at 9 calories, providing a dense source of energy, especially useful during prolonged low to moderate-intensity exercise.

Q15. What determines the quality of dietary protein?

(A) The amount of essential amino acids it contains
(B) The total calories it provides
(C) Its fat content
(D) Its carbohydrate content

View Answer

Answer: (A)
Explanation: The quality of dietary protein is determined by its amino acid profile, particularly the presence and balance of essential amino acids, which are crucial for protein synthesis in the body.

Q16. Which vitamin is known for its role in calcium absorption and bone health?

(A) Vitamin A
(B) Vitamin C
(C) Vitamin D
(D) Vitamin E

View Answer

Answer: (C)
Explanation: Vitamin D plays a crucial role in calcium absorption and bone health, helping to prevent osteoporosis and support overall skeletal strength.

Q17. What is the main dietary source of energy during moderate to high-intensity exercise?

(A) Proteins
(B) Carbohydrates
(C) Fats
(D) Micronutrients

View Answer

Answer: (B)
Explanation: Carbohydrates are the main source of energy during moderate to high-intensity exercise due to their rapid conversion to glucose, which provides quick energy to muscles and the brain.

Q18. Which type of lipid is considered beneficial for heart health when consumed in moderation?

(A) Saturated fats
(B) Trans fats
(C) Unsaturated fats
(D) Cholesterol

View Answer

Answer: (C)
Explanation: Unsaturated fats, including monounsaturated and polyunsaturated fats, are considered heart-healthy as they can help lower bad cholesterol levels and are associated with reduced heart disease risk.

Q19. What role does fiber play in the diet?

(A) Primarily provides energy
(B) Slows digestion and aids in nutrient absorption
(C) Increases blood sugar levels
(D) Acts as a primary nutrient

View Answer

Answer: (B)
Explanation: Fiber slows the digestive process and aids in nutrient absorption. It also helps to regulate blood sugar levels and can promote satiety, which is beneficial for weight management.

Q20. What is the recommended daily protein intake for an average sedentary adult?

(A) 0.8 grams per kg of body weight
(B) 1.2 grams per kg of body weight
(C) 1.6 grams per kg of body weight
(D) 2.0 grams per kg of body weight

View Answer

Answer: (A)
Explanation: The recommended daily allowance (RDA) for protein for an average sedentary adult is 0.8 grams per kilogram of body weight, sufficient to maintain muscle mass and support bodily functions.

Q21. Which of the following is a water-soluble vitamin?

(A) Vitamin A
(B) Vitamin D
(C) Vitamin C
(D) Vitamin K

View Answer

Answer: (C)
Explanation: Vitamin C is water-soluble, meaning it dissolves in water and is not stored in the body, which necessitates daily intake from dietary sources like fruits and vegetables.

Q22. How do antioxidants benefit physical fitness?

(A) They increase muscle mass
(B) They decrease oxygen in the muscles
(C) They combat oxidative stress from exercise
(D) They reduce carbohydrate absorption

View Answer

Answer: (C)
Explanation: Antioxidants benefit physical fitness by combating oxidative stress caused by free radicals during intense exercise, helping to prevent muscle damage and support recovery.

Q23. What is the primary health risk associated with trans fats?

(A) Vitamin deficiency
(B) Muscle atrophy
(C) Increased risk of heart disease
(D) Dehydration

View Answer

Answer: (C)
Explanation: Trans fats are associated with an increased risk of heart disease as they can raise bad cholesterol levels and lower good cholesterol, contributing to artery blockage and heart problems.

Q24. How does hydration impact digestion?

(A) Water decreases the efficiency of digestion
(B) Adequate hydration facilitates digestion
(C) Excessive water intake prevents nutrient absorption
(D) Hydration has no impact on digestion

View Answer

Answer: (B)
Explanation: Adequate hydration is essential for digestion as it helps dissolve nutrients and soluble fiber, allowing for easier passage through the digestive system and better nutrient absorption.

Q25. Which food label element is critical for understanding food’s nutritional content?

(A) Brand name
(B) Packaging color
(C) Nutrition facts panel
(D) Price tag

View Answer

Answer: (C)
Explanation: The nutrition facts panel on food labels is critical for understanding a food’s nutritional content, providing detailed information about calories, macronutrients, vitamins, minerals, and serving size.

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