NASM Nutrition Certification (EXAM)
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the primary function of carbohydrates in the body?
✔✔To provide energy for cellular processes and physical activity.
Which type of carbohydrate is absorbed slowly and provides sustained energy?
✔✔Complex carbohydrates.
Why is fiber important in a diet?
✔✔It promotes digestive health and regulates blood sugar levels.
What is the main role of protein in the body?
✔✔To build, repair, and maintain tissues and support enzyme and hormone production.
Which macronutrient has the highest energy density per gram?
✔✔Fat (9 kcal per gram).
Why are omega-3 fatty acids important?
✔✔They support heart health, reduce inflammation, and promote brain function.
What is the difference between saturated and unsaturated fats?
1
,✔✔Saturated fats have no double bonds and are solid at room temperature; unsaturated fats have
one or more double bonds and are liquid at room temperature.
What is the function of vitamins in the body?
✔✔They act as cofactors in metabolic reactions and support overall health.
Which vitamin is essential for calcium absorption and bone health?
✔✔Vitamin D.
Why is water considered an essential nutrient?
✔✔It maintains hydration, regulates body temperature, and facilitates cellular processes.
What is the main role of electrolytes?
✔✔To maintain fluid balance, nerve function, and muscle contraction.
Which mineral is important for oxygen transport in the blood?
✔✔Iron.
Why should added sugars be limited in the diet?
✔✔Excess sugar can lead to weight gain, insulin resistance, and chronic disease risk.
What is the difference between soluble and insoluble fiber?
2
,✔✔Soluble fiber dissolves in water and slows digestion; insoluble fiber adds bulk and promotes
bowel regularity.
Which macronutrient is primarily used for energy during high-intensity exercise?
✔✔Carbohydrates.
Why is protein timing important for athletes?
✔✔Consuming protein around workouts enhances muscle repair and growth.
What is the main function of antioxidants?
✔✔To neutralize free radicals and prevent oxidative damage.
Why is a balanced diet important?
✔✔It provides all essential nutrients for energy, growth, and disease prevention.
Which vitamin is water-soluble and essential for energy metabolism?
✔✔Vitamin B complex.
What is the difference between micronutrients and macronutrients?
✔✔Macronutrients are needed in large amounts for energy and structure; micronutrients are
needed in small amounts for metabolic functions.
3
, Why is calcium important beyond bone health?
✔✔It supports nerve transmission, muscle contraction, and blood clotting.
Which nutrient is the primary source of energy during long-duration, low-intensity exercise?
✔✔Fat.
What is the role of magnesium in the body?
✔✔It supports muscle and nerve function, energy production, and bone health.
Why should sodium intake be monitored?
✔✔Excess sodium can increase blood pressure and cardiovascular disease risk.
Which dietary component helps stabilize blood sugar levels?
✔✔Protein and fiber.
Why is meal planning important for weight management?
✔✔It ensures appropriate nutrient intake and calorie control.
Which vitamin is critical for collagen synthesis?
✔✔Vitamin C.
Why are whole grains preferred over refined grains?
4
Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
What is the primary function of carbohydrates in the body?
✔✔To provide energy for cellular processes and physical activity.
Which type of carbohydrate is absorbed slowly and provides sustained energy?
✔✔Complex carbohydrates.
Why is fiber important in a diet?
✔✔It promotes digestive health and regulates blood sugar levels.
What is the main role of protein in the body?
✔✔To build, repair, and maintain tissues and support enzyme and hormone production.
Which macronutrient has the highest energy density per gram?
✔✔Fat (9 kcal per gram).
Why are omega-3 fatty acids important?
✔✔They support heart health, reduce inflammation, and promote brain function.
What is the difference between saturated and unsaturated fats?
1
,✔✔Saturated fats have no double bonds and are solid at room temperature; unsaturated fats have
one or more double bonds and are liquid at room temperature.
What is the function of vitamins in the body?
✔✔They act as cofactors in metabolic reactions and support overall health.
Which vitamin is essential for calcium absorption and bone health?
✔✔Vitamin D.
Why is water considered an essential nutrient?
✔✔It maintains hydration, regulates body temperature, and facilitates cellular processes.
What is the main role of electrolytes?
✔✔To maintain fluid balance, nerve function, and muscle contraction.
Which mineral is important for oxygen transport in the blood?
✔✔Iron.
Why should added sugars be limited in the diet?
✔✔Excess sugar can lead to weight gain, insulin resistance, and chronic disease risk.
What is the difference between soluble and insoluble fiber?
2
,✔✔Soluble fiber dissolves in water and slows digestion; insoluble fiber adds bulk and promotes
bowel regularity.
Which macronutrient is primarily used for energy during high-intensity exercise?
✔✔Carbohydrates.
Why is protein timing important for athletes?
✔✔Consuming protein around workouts enhances muscle repair and growth.
What is the main function of antioxidants?
✔✔To neutralize free radicals and prevent oxidative damage.
Why is a balanced diet important?
✔✔It provides all essential nutrients for energy, growth, and disease prevention.
Which vitamin is water-soluble and essential for energy metabolism?
✔✔Vitamin B complex.
What is the difference between micronutrients and macronutrients?
✔✔Macronutrients are needed in large amounts for energy and structure; micronutrients are
needed in small amounts for metabolic functions.
3
, Why is calcium important beyond bone health?
✔✔It supports nerve transmission, muscle contraction, and blood clotting.
Which nutrient is the primary source of energy during long-duration, low-intensity exercise?
✔✔Fat.
What is the role of magnesium in the body?
✔✔It supports muscle and nerve function, energy production, and bone health.
Why should sodium intake be monitored?
✔✔Excess sodium can increase blood pressure and cardiovascular disease risk.
Which dietary component helps stabilize blood sugar levels?
✔✔Protein and fiber.
Why is meal planning important for weight management?
✔✔It ensures appropriate nutrient intake and calorie control.
Which vitamin is critical for collagen synthesis?
✔✔Vitamin C.
Why are whole grains preferred over refined grains?
4
