1|Page
RN Nutrition Online Practice 2026 A (NEW UPDATED VERSION) LATEST
ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND
ANSWERS)- GUARANTEED PASS A+ UPDATED 2026-2027
ATI RN Nutrition – Practice Questions
Basic Nutrition Concepts
1. Which nutrient is the primary source of energy for the body?
A) Protein
B) Fat
C) Carbohydrate
D) Vitamin C
Answer: C
Rationale: Carbohydrates are the body’s main energy source.
2. Water constitutes approximately what percentage of an adult’s body weight?
A) 30%
B) 50–60%
C) 70–80%
D) 90–100%
Answer: B
Rationale: Water makes up about 50–60% of adult body weight.
3. Which vitamin is fat-soluble?
A) Vitamin C
B) Vitamin B6
C) Vitamin A
D) Vitamin B12
Answer: C
Rationale: Vitamins A, D, E, and K are fat soluble.
4. Excessive intake of which nutrient can lead to hyperglycemia?
A) Protein
B) Carbohydrate
C) Fat
D) Water
Answer: B
Rationale: Too many carbohydrates raise blood glucose levels.
5. Which mineral is essential for thyroid hormone synthesis?
A) Iron
B) Iodine
2026 2027 GRADED A+
,2|Page
C) Calcium
D) Magnesium
Answer: B
Rationale: Iodine is required for thyroid hormones.
Macronutrients
6. Protein is primarily responsible for:
A) Energy storage
B) Tissue repair
C) Enzyme production
D) Both B & C
Answer: D
Rationale: Protein repairs tissues and forms enzymes.
7. What is the caloric value of 1 gram of carbohydrate?
A) 4 kcal
B) 7 kcal
C) 9 kcal
D) 2 kcal
Answer: A
Rationale: Carbohydrates provide 4 kcal per gram.
8. Fats are essential for:
A) Insulation
B) Cell membrane structure
C) Vitamin absorption
D) All of the above
Answer: D
Rationale: Fats aid in all these functions.
9. Which fatty acid is considered heart-healthy?
A) Saturated
B) Trans
C) Monounsaturated
D) Hydrogenated
Answer: C
Rationale: Monounsaturated fats (e.g., olive oil) are heart healthy.
10. Incomplete proteins are found mainly in:
A) Meat
B) Eggs
C) Legumes
D) Fish
Answer: C
Rationale: Plant sources like beans lack all essential amino acids.
2026 2027 GRADED A+
,3|Page
Micronutrients
11. Iron deficiency can result in:
A) Anemia
B) Osteoporosis
C) Hyperkalemia
D) Goiter
Answer: A
Rationale: Iron is necessary for hemoglobin; deficiency causes anemia.
12. Vitamin D deficiency leads to:
A) Scurvy
B) Rickets
C) Night blindness
D) Anemia
Answer: B
Rationale: Vitamin D deficiency causes rickets in children.
13. Calcium absorption is enhanced by:
A) Phytates
B) Vitamin C
C) Vitamin D
D) Oxalates
Answer: C
Rationale: Vitamin D increases calcium absorption.
14. Which B vitamin is important for neurological function?
A) B1 (Thiamine)
B) B3 (Niacin)
C) B6 (Pyridoxine)
D) All of the above
Answer: D
Rationale: Multiple B vitamins support nervous system health.
15. Folic acid is especially important during:
A) Adolescence
B) Pregnancy
C) Elderly years
D) Infancy
Answer: B
Rationale: Folic acid prevents neural tube defects.
Dietary Recommendations
16. MyPlate recommends half the plate be:
A) Protein
B) Vegetables and fruits
C) Grains
2026 2027 GRADED A+
, 4|Page
D) Dairy
Answer: B
Rationale: Fruits & vegetables should make up half the plate.
17. Daily fiber intake for adults should be at least:
A) 10–15 grams
B) 20–30 grams
C) 40–50 grams
D) 5–10 grams
Answer: B
Rationale: 20–30 grams of fiber supports GI health.
18. Which food is highest in potassium?
A) Banana
B) Bread
C) Milk
D) Chicken
Answer: A
Rationale: Bananas are rich in potassium.
19. A heart-healthy diet should be low in:
A) Saturated fat
B) Trans fat
C) Cholesterol
D) All of the above
Answer: D
Rationale: All contribute to cardiovascular risk.
20. To manage hypertension, sodium intake should be:
A) Increased
B) Limited
C) Unchanged
D) Doubled
Answer: B
Rationale: Reducing sodium helps lower blood pressure.
Therapeutic Diets
21. A clear liquid diet includes all EXCEPT:
A) Water
B) Gelatin
C) Fruit juice with pulp
D) Broth
Answer: C
Rationale: Clear liquid diets exclude solids or pulp.
22. A patient with celiac disease must avoid:
A) Dairy
B) Wheat
C) Eggs
2026 2027 GRADED A+
RN Nutrition Online Practice 2026 A (NEW UPDATED VERSION) LATEST
ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND
ANSWERS)- GUARANTEED PASS A+ UPDATED 2026-2027
ATI RN Nutrition – Practice Questions
Basic Nutrition Concepts
1. Which nutrient is the primary source of energy for the body?
A) Protein
B) Fat
C) Carbohydrate
D) Vitamin C
Answer: C
Rationale: Carbohydrates are the body’s main energy source.
2. Water constitutes approximately what percentage of an adult’s body weight?
A) 30%
B) 50–60%
C) 70–80%
D) 90–100%
Answer: B
Rationale: Water makes up about 50–60% of adult body weight.
3. Which vitamin is fat-soluble?
A) Vitamin C
B) Vitamin B6
C) Vitamin A
D) Vitamin B12
Answer: C
Rationale: Vitamins A, D, E, and K are fat soluble.
4. Excessive intake of which nutrient can lead to hyperglycemia?
A) Protein
B) Carbohydrate
C) Fat
D) Water
Answer: B
Rationale: Too many carbohydrates raise blood glucose levels.
5. Which mineral is essential for thyroid hormone synthesis?
A) Iron
B) Iodine
2026 2027 GRADED A+
,2|Page
C) Calcium
D) Magnesium
Answer: B
Rationale: Iodine is required for thyroid hormones.
Macronutrients
6. Protein is primarily responsible for:
A) Energy storage
B) Tissue repair
C) Enzyme production
D) Both B & C
Answer: D
Rationale: Protein repairs tissues and forms enzymes.
7. What is the caloric value of 1 gram of carbohydrate?
A) 4 kcal
B) 7 kcal
C) 9 kcal
D) 2 kcal
Answer: A
Rationale: Carbohydrates provide 4 kcal per gram.
8. Fats are essential for:
A) Insulation
B) Cell membrane structure
C) Vitamin absorption
D) All of the above
Answer: D
Rationale: Fats aid in all these functions.
9. Which fatty acid is considered heart-healthy?
A) Saturated
B) Trans
C) Monounsaturated
D) Hydrogenated
Answer: C
Rationale: Monounsaturated fats (e.g., olive oil) are heart healthy.
10. Incomplete proteins are found mainly in:
A) Meat
B) Eggs
C) Legumes
D) Fish
Answer: C
Rationale: Plant sources like beans lack all essential amino acids.
2026 2027 GRADED A+
,3|Page
Micronutrients
11. Iron deficiency can result in:
A) Anemia
B) Osteoporosis
C) Hyperkalemia
D) Goiter
Answer: A
Rationale: Iron is necessary for hemoglobin; deficiency causes anemia.
12. Vitamin D deficiency leads to:
A) Scurvy
B) Rickets
C) Night blindness
D) Anemia
Answer: B
Rationale: Vitamin D deficiency causes rickets in children.
13. Calcium absorption is enhanced by:
A) Phytates
B) Vitamin C
C) Vitamin D
D) Oxalates
Answer: C
Rationale: Vitamin D increases calcium absorption.
14. Which B vitamin is important for neurological function?
A) B1 (Thiamine)
B) B3 (Niacin)
C) B6 (Pyridoxine)
D) All of the above
Answer: D
Rationale: Multiple B vitamins support nervous system health.
15. Folic acid is especially important during:
A) Adolescence
B) Pregnancy
C) Elderly years
D) Infancy
Answer: B
Rationale: Folic acid prevents neural tube defects.
Dietary Recommendations
16. MyPlate recommends half the plate be:
A) Protein
B) Vegetables and fruits
C) Grains
2026 2027 GRADED A+
, 4|Page
D) Dairy
Answer: B
Rationale: Fruits & vegetables should make up half the plate.
17. Daily fiber intake for adults should be at least:
A) 10–15 grams
B) 20–30 grams
C) 40–50 grams
D) 5–10 grams
Answer: B
Rationale: 20–30 grams of fiber supports GI health.
18. Which food is highest in potassium?
A) Banana
B) Bread
C) Milk
D) Chicken
Answer: A
Rationale: Bananas are rich in potassium.
19. A heart-healthy diet should be low in:
A) Saturated fat
B) Trans fat
C) Cholesterol
D) All of the above
Answer: D
Rationale: All contribute to cardiovascular risk.
20. To manage hypertension, sodium intake should be:
A) Increased
B) Limited
C) Unchanged
D) Doubled
Answer: B
Rationale: Reducing sodium helps lower blood pressure.
Therapeutic Diets
21. A clear liquid diet includes all EXCEPT:
A) Water
B) Gelatin
C) Fruit juice with pulp
D) Broth
Answer: C
Rationale: Clear liquid diets exclude solids or pulp.
22. A patient with celiac disease must avoid:
A) Dairy
B) Wheat
C) Eggs
2026 2027 GRADED A+
