ATI NUTRITION PROCTORED EXAM
2025 COMPLETE 200 QUESTIONS &
ANSWERS WITH RATIONALES |
GUARANTEED STUDY GUIDE
ATI Nutrition Proctored Exam 2025
1. Which nutrient provides the primary source of energy for
the body?
A. Protein
B. Carbohydrates
C. Fat
D. Vitamins
Answer: B. Carbohydrates
Carbohydrates are broken down into glucose, the main energy source
for cells.
2. Which of the following is a complete protein?
A. Rice
B. Beans
C. Eggs
D. Corn
Answer: C. Eggs
Eggs contain all nine essential amino acids.
3. Which vitamin is fat-soluble?
A. Vitamin B12
B. Vitamin C
C. Vitamin D
D. Folate
,Answer: C. Vitamin D
Fat-soluble vitamins (A, D, E, K) are absorbed with dietary fat.
4. Which mineral is essential for thyroid function?
A. Iron
B. Iodine
C. Calcium
D. Magnesium
Answer: B. Iodine
Iodine is necessary for production of thyroid hormones.
5. Which nutrient helps repair tissues and build muscles?
A. Protein
B. Carbohydrates
C. Fat
D. Vitamin C
Answer: A. Protein
Amino acids from protein are required for tissue repair and muscle
synthesis.
6. Which of the following is a source of unsaturated fat?
A. Butter
B. Olive oil
C. Lard
D. Cheese
Answer: B. Olive oil
Unsaturated fats are found mainly in plant oils and fish.
7. Which vitamin is important for blood clotting?
A. Vitamin K
B. Vitamin C
C. Vitamin A
D. Vitamin D
,Answer: A. Vitamin K
Vitamin K is required for synthesis of clotting factors.
8. Which of the following foods is high in fiber?
A. White bread
B. Brown rice
C. Cheese
D. Eggs
Answer: B. Brown rice
Whole grains contain fiber that aids digestion.
9. Which nutrient is essential for bone health?
A. Vitamin C
B. Calcium
C. Iron
D. Vitamin B12
Answer: B. Calcium
Calcium is a major component of bones and teeth.
10. Which nutrient helps carry oxygen in the blood?
A. Calcium
B. Iron
C. Magnesium
D. Potassium
Answer: B. Iron
Iron is a component of hemoglobin, which transports oxygen.
11. Which vitamin is important for vision?
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin K
, Answer: B. Vitamin A
Vitamin A supports the formation of rhodopsin in the retina.
12. A patient is lactose intolerant. Which food should be
avoided?
A. Almond milk
B. Yogurt
C. Cheese
D. Lactose-free milk
Answer: B. Yogurt
Regular yogurt contains lactose which can cause intolerance
symptoms.
13. Which of the following reduces risk of cardiovascular
disease?
A. Saturated fats
B. Trans fats
C. Unsaturated fats
D. High-sodium foods
Answer: C. Unsaturated fats
Unsaturated fats improve lipid profile and heart health.
14. Which of the following is a function of water in the body?
A. Provides energy
B. Acts as a solvent
C. Builds muscle
D. Stores fat
Answer: B. Acts as a solvent
Water dissolves nutrients and aids chemical reactions.
15. Which food is high in vitamin C?
A. Orange
B. Chicken
2025 COMPLETE 200 QUESTIONS &
ANSWERS WITH RATIONALES |
GUARANTEED STUDY GUIDE
ATI Nutrition Proctored Exam 2025
1. Which nutrient provides the primary source of energy for
the body?
A. Protein
B. Carbohydrates
C. Fat
D. Vitamins
Answer: B. Carbohydrates
Carbohydrates are broken down into glucose, the main energy source
for cells.
2. Which of the following is a complete protein?
A. Rice
B. Beans
C. Eggs
D. Corn
Answer: C. Eggs
Eggs contain all nine essential amino acids.
3. Which vitamin is fat-soluble?
A. Vitamin B12
B. Vitamin C
C. Vitamin D
D. Folate
,Answer: C. Vitamin D
Fat-soluble vitamins (A, D, E, K) are absorbed with dietary fat.
4. Which mineral is essential for thyroid function?
A. Iron
B. Iodine
C. Calcium
D. Magnesium
Answer: B. Iodine
Iodine is necessary for production of thyroid hormones.
5. Which nutrient helps repair tissues and build muscles?
A. Protein
B. Carbohydrates
C. Fat
D. Vitamin C
Answer: A. Protein
Amino acids from protein are required for tissue repair and muscle
synthesis.
6. Which of the following is a source of unsaturated fat?
A. Butter
B. Olive oil
C. Lard
D. Cheese
Answer: B. Olive oil
Unsaturated fats are found mainly in plant oils and fish.
7. Which vitamin is important for blood clotting?
A. Vitamin K
B. Vitamin C
C. Vitamin A
D. Vitamin D
,Answer: A. Vitamin K
Vitamin K is required for synthesis of clotting factors.
8. Which of the following foods is high in fiber?
A. White bread
B. Brown rice
C. Cheese
D. Eggs
Answer: B. Brown rice
Whole grains contain fiber that aids digestion.
9. Which nutrient is essential for bone health?
A. Vitamin C
B. Calcium
C. Iron
D. Vitamin B12
Answer: B. Calcium
Calcium is a major component of bones and teeth.
10. Which nutrient helps carry oxygen in the blood?
A. Calcium
B. Iron
C. Magnesium
D. Potassium
Answer: B. Iron
Iron is a component of hemoglobin, which transports oxygen.
11. Which vitamin is important for vision?
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin K
, Answer: B. Vitamin A
Vitamin A supports the formation of rhodopsin in the retina.
12. A patient is lactose intolerant. Which food should be
avoided?
A. Almond milk
B. Yogurt
C. Cheese
D. Lactose-free milk
Answer: B. Yogurt
Regular yogurt contains lactose which can cause intolerance
symptoms.
13. Which of the following reduces risk of cardiovascular
disease?
A. Saturated fats
B. Trans fats
C. Unsaturated fats
D. High-sodium foods
Answer: C. Unsaturated fats
Unsaturated fats improve lipid profile and heart health.
14. Which of the following is a function of water in the body?
A. Provides energy
B. Acts as a solvent
C. Builds muscle
D. Stores fat
Answer: B. Acts as a solvent
Water dissolves nutrients and aids chemical reactions.
15. Which food is high in vitamin C?
A. Orange
B. Chicken
