1. What is the primary role of dietary cholesterol?
A. Provide energy
B. Aid digestion
C. Synthesize hormones
D. Build muscle
Answer: C. Synthesize hormones
Rationale: Cholesterol is essential for producing hormones, vitamin
D, and bile acids for digestion.
2. Which nutrient helps maintain fluid balance and nerve
function?
A. Calcium
B. Sodium
C. Zinc
D. Iron
Answer: B. Sodium
Rationale: Sodium regulates fluid balance and is vital for nerve
impulses and muscle contractions.
3. Which vitamin is necessary for blood clotting?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: D. Vitamin K
Rationale: Vitamin K is essential for synthesizing proteins involved
in blood clotting and preventing excessive bleeding.
4. What type of fiber helps lower cholesterol levels?
A. Soluble fiber
B. Insoluble fiber
C. Dietary fiber
D. Cellulose
Answer: A. Soluble fiber
Rationale: Soluble fiber, found in oats and fruits, binds to
cholesterol and helps remove it from the body.
, 5. What nutrient is primarily responsible for repairing
damaged tissues?
A. Fats
B. Proteins
C. Carbohydrates
D. Vitamins
Answer: B. Proteins
Rationale: Proteins provide the amino acids required for repairing
tissues and maintaining muscle health.
6. Which condition is most commonly associated with vitamin
A. deficiency?
A. Night blindness
B. Osteoporosis
C. Anemia
D. Diabetes
Answer: A. Night blindness
Rationale: Vitamin A is essential for vision, particularly in low-light
conditions; its deficiency can lead to night blindness.
7. Which of these foods is a good source of zinc?
A. Whole grains
B. Oysters
C. Potatoes
D. Apples
Answer: B. Oysters
Rationale: Oysters are one of the richest sources of zinc, a mineral
vital for immune function and wound healing.
8. Which food group is the primary source of dietary calcium?
A. Fruits
B. Vegetables
C. Dairy products
D. Grains
Answer: C. Dairy products
Rationale: Dairy products like milk, cheese, and yogurt are rich in
calcium, essential for strong bones and teeth.
9. What does the glycemic index (GI) measure?
A. Provide energy
B. Aid digestion
C. Synthesize hormones
D. Build muscle
Answer: C. Synthesize hormones
Rationale: Cholesterol is essential for producing hormones, vitamin
D, and bile acids for digestion.
2. Which nutrient helps maintain fluid balance and nerve
function?
A. Calcium
B. Sodium
C. Zinc
D. Iron
Answer: B. Sodium
Rationale: Sodium regulates fluid balance and is vital for nerve
impulses and muscle contractions.
3. Which vitamin is necessary for blood clotting?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: D. Vitamin K
Rationale: Vitamin K is essential for synthesizing proteins involved
in blood clotting and preventing excessive bleeding.
4. What type of fiber helps lower cholesterol levels?
A. Soluble fiber
B. Insoluble fiber
C. Dietary fiber
D. Cellulose
Answer: A. Soluble fiber
Rationale: Soluble fiber, found in oats and fruits, binds to
cholesterol and helps remove it from the body.
, 5. What nutrient is primarily responsible for repairing
damaged tissues?
A. Fats
B. Proteins
C. Carbohydrates
D. Vitamins
Answer: B. Proteins
Rationale: Proteins provide the amino acids required for repairing
tissues and maintaining muscle health.
6. Which condition is most commonly associated with vitamin
A. deficiency?
A. Night blindness
B. Osteoporosis
C. Anemia
D. Diabetes
Answer: A. Night blindness
Rationale: Vitamin A is essential for vision, particularly in low-light
conditions; its deficiency can lead to night blindness.
7. Which of these foods is a good source of zinc?
A. Whole grains
B. Oysters
C. Potatoes
D. Apples
Answer: B. Oysters
Rationale: Oysters are one of the richest sources of zinc, a mineral
vital for immune function and wound healing.
8. Which food group is the primary source of dietary calcium?
A. Fruits
B. Vegetables
C. Dairy products
D. Grains
Answer: C. Dairy products
Rationale: Dairy products like milk, cheese, and yogurt are rich in
calcium, essential for strong bones and teeth.
9. What does the glycemic index (GI) measure?