DHN 101 FINAL EXAM LATEST 2026 UPDATE 100
QUESTIONS AND DETAILED VERIFIED ANSWERS
FROM ACTUAL EXAMS TEST GRADE A+
1. Which nutrient is the primary source of energy for the body?
A. Protein
B. Fat
C. Carbohydrates
D. Vitamins
Answer: C. Carbohydrates
Carbohydrates are the body’s preferred and most immediate source of energy.
2. Which vitamin is fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
D. Folate
Answer: C. Vitamin D
Fat-soluble vitamins include A, D, E, and K.
3. Which mineral is essential for oxygen transport in the blood?
A. Calcium
B. Iron
C. Sodium
D. Potassium
,Answer: B. Iron
Iron is a key component of hemoglobin, which carries oxygen.
4. What is the recommended method for safe food thawing?
A. On the countertop
B. In warm water
C. In the refrigerator
D. At room temperature
Answer: C. In the refrigerator
Refrigerator thawing prevents bacterial growth.
5. Which nutrient builds and repairs body tissues?
A. Carbohydrates
B. Protein
C. Lipids
D. Water
Answer: B. Protein
Proteins provide amino acids necessary for tissue repair.
6. What is BMI used to assess?
A. Body hydration
B. Body fat based on height and weight
C. Muscle strength
D. Bone density
Answer: B. Body fat based on height and weight
BMI estimates body fat and weight status.
,7. Which vitamin prevents scurvy?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: B. Vitamin C
Vitamin C deficiency leads to scurvy.
8. Which food group is highest in fiber?
A. Meat
B. Dairy
C. Fruits and vegetables
D. Oils
Answer: C. Fruits and vegetables
Plant foods are the main sources of dietary fiber.
9. What is the main function of fats?
A. Quick energy
B. Insulation and energy storage
C. Oxygen transport
D. Enzyme production
Answer: B. Insulation and energy storage
Fats provide long-term energy and insulation.
10. Which nutrient does NOT provide calories?
A. Carbohydrates
B. Protein
, C. Fat
D. Vitamins
Answer: D. Vitamins
Vitamins do not supply energy.
11. Which mineral is important for bone health?
A. Iron
B. Calcium
C. Zinc
D. Sodium
Answer: B. Calcium
Calcium strengthens bones and teeth.
12. What is the role of water in the body?
A. Provides energy
B. Builds muscle
C. Regulates temperature
D. Stores fat
Answer: C. Regulates temperature
Water helps maintain body temperature and transport nutrients.
13. Which disease is linked to excess saturated fat intake?
A. Diabetes
B. Hypertension
C. Heart disease
D. Anemia
QUESTIONS AND DETAILED VERIFIED ANSWERS
FROM ACTUAL EXAMS TEST GRADE A+
1. Which nutrient is the primary source of energy for the body?
A. Protein
B. Fat
C. Carbohydrates
D. Vitamins
Answer: C. Carbohydrates
Carbohydrates are the body’s preferred and most immediate source of energy.
2. Which vitamin is fat-soluble?
A. Vitamin C
B. Vitamin B12
C. Vitamin D
D. Folate
Answer: C. Vitamin D
Fat-soluble vitamins include A, D, E, and K.
3. Which mineral is essential for oxygen transport in the blood?
A. Calcium
B. Iron
C. Sodium
D. Potassium
,Answer: B. Iron
Iron is a key component of hemoglobin, which carries oxygen.
4. What is the recommended method for safe food thawing?
A. On the countertop
B. In warm water
C. In the refrigerator
D. At room temperature
Answer: C. In the refrigerator
Refrigerator thawing prevents bacterial growth.
5. Which nutrient builds and repairs body tissues?
A. Carbohydrates
B. Protein
C. Lipids
D. Water
Answer: B. Protein
Proteins provide amino acids necessary for tissue repair.
6. What is BMI used to assess?
A. Body hydration
B. Body fat based on height and weight
C. Muscle strength
D. Bone density
Answer: B. Body fat based on height and weight
BMI estimates body fat and weight status.
,7. Which vitamin prevents scurvy?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: B. Vitamin C
Vitamin C deficiency leads to scurvy.
8. Which food group is highest in fiber?
A. Meat
B. Dairy
C. Fruits and vegetables
D. Oils
Answer: C. Fruits and vegetables
Plant foods are the main sources of dietary fiber.
9. What is the main function of fats?
A. Quick energy
B. Insulation and energy storage
C. Oxygen transport
D. Enzyme production
Answer: B. Insulation and energy storage
Fats provide long-term energy and insulation.
10. Which nutrient does NOT provide calories?
A. Carbohydrates
B. Protein
, C. Fat
D. Vitamins
Answer: D. Vitamins
Vitamins do not supply energy.
11. Which mineral is important for bone health?
A. Iron
B. Calcium
C. Zinc
D. Sodium
Answer: B. Calcium
Calcium strengthens bones and teeth.
12. What is the role of water in the body?
A. Provides energy
B. Builds muscle
C. Regulates temperature
D. Stores fat
Answer: C. Regulates temperature
Water helps maintain body temperature and transport nutrients.
13. Which disease is linked to excess saturated fat intake?
A. Diabetes
B. Hypertension
C. Heart disease
D. Anemia
