NTR 400 – NUTRITION THERAPY PRACTICE (100)QUESTIONS &
VERIFIED RATIONALIZED ANSWER S WITH MULTIPLE CHOICES
(A-D) LATEST 2026 GUIDE
1. Which macronutrient provides the most energy per gram?
A. Carbohydrates
B. Protein
C. Fat
D. Fiber
Answer : C. Fat
Rationale : Fat provides 9 kcal/g, more than carbs or protein (4 kcal/g).
2. What is the primary function of carbohydrates?
A. Tissue repair
B. Hormone synthesis
C. Energy source
D. Insulation
Answer : C. Energy source
Rationale : Carbohydrates are the main energy source, especially for the brain and
muscles.
3. Which nutrient is essential for tissue repair?
,A. Carbohydrates
B. Protein
C. Vitamins
D. Water
Answer : B. Protein
Rationale : Proteins build and repair tissues and produce enzymes.
4. Which vitamin is synthesized in the skin via sunlight?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer : C. Vitamin D
Rationale : Vitamin D supports calcium absorption and bone health.
5. What does BMI measure?
A. Muscle mass
B. Body fat estimate
C. Bone density
D. Metabolic rate
Answer : B. Body fat estimate
Rationale : BMI estimates body fat using weight and height.
6. Glycogen is:
A. Blood sugar
B. Stored glucose
C. Enzyme
D. Fat molecule
Answer : B. Stored glucose
, Rationale : Stored in liver and muscles for energy.
7. Which is a complete protein?
A. Beans
B. Rice
C. Eggs
D. Vegetables
Answer : C. Eggs
Rationale : Contains all essential amino acids.
8. Basal metabolic rate (BMR) refers to:
A. Energy for exercise
B. Energy at rest
C. Digestion energy
D. Total calories
Answer : B. Energy at rest
Rationale : Minimum energy needed for vital functions.
8. Basal metabolic rate (BMR) refers to:
A. Energy for exercise
B. Energy at rest
C. Digestion energy
D. Total calories
Answer : B. Energy at rest
Rationale : Minimum energy needed for vital functions.
10. Malnutrition is:
VERIFIED RATIONALIZED ANSWER S WITH MULTIPLE CHOICES
(A-D) LATEST 2026 GUIDE
1. Which macronutrient provides the most energy per gram?
A. Carbohydrates
B. Protein
C. Fat
D. Fiber
Answer : C. Fat
Rationale : Fat provides 9 kcal/g, more than carbs or protein (4 kcal/g).
2. What is the primary function of carbohydrates?
A. Tissue repair
B. Hormone synthesis
C. Energy source
D. Insulation
Answer : C. Energy source
Rationale : Carbohydrates are the main energy source, especially for the brain and
muscles.
3. Which nutrient is essential for tissue repair?
,A. Carbohydrates
B. Protein
C. Vitamins
D. Water
Answer : B. Protein
Rationale : Proteins build and repair tissues and produce enzymes.
4. Which vitamin is synthesized in the skin via sunlight?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer : C. Vitamin D
Rationale : Vitamin D supports calcium absorption and bone health.
5. What does BMI measure?
A. Muscle mass
B. Body fat estimate
C. Bone density
D. Metabolic rate
Answer : B. Body fat estimate
Rationale : BMI estimates body fat using weight and height.
6. Glycogen is:
A. Blood sugar
B. Stored glucose
C. Enzyme
D. Fat molecule
Answer : B. Stored glucose
, Rationale : Stored in liver and muscles for energy.
7. Which is a complete protein?
A. Beans
B. Rice
C. Eggs
D. Vegetables
Answer : C. Eggs
Rationale : Contains all essential amino acids.
8. Basal metabolic rate (BMR) refers to:
A. Energy for exercise
B. Energy at rest
C. Digestion energy
D. Total calories
Answer : B. Energy at rest
Rationale : Minimum energy needed for vital functions.
8. Basal metabolic rate (BMR) refers to:
A. Energy for exercise
B. Energy at rest
C. Digestion energy
D. Total calories
Answer : B. Energy at rest
Rationale : Minimum energy needed for vital functions.
10. Malnutrition is:
