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RN Nutrition Online Practice 2026 A (NEW UPDATED VERSION) LATEST
ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND
ANSWERS)- GUARANTEED PASS A+
Basic Nutrition Concepts
1. Which nutrient is essential for muscle repair and growth?
A) Carbohydrate
B) Fat
C) Protein
D) Fiber
Answer: C
Rationale: Proteins provide amino acids for tissue repair and growth.
2. Vitamins that are water-soluble include:
A) A, D, E, K
B) C and B-complex
C) Only D
D) Only K
Answer: B
Rationale: Water-soluble vitamins dissolve in water and are not stored long-term.
3. Minerals serve primarily to:
A) Provide energy
B) Build structures and regulate processes
C) Supply calories
D) Replace vitamins
Answer: B
Rationale: Minerals support bone, nerve, and enzyme functions.
4. Which macronutrient is calorie-dense with 9 kcal/g?
A) Carbohydrate
B) Protein
C) Fat
D) Alcohol
Answer: C
Rationale: Fats provide 9 kcal per gram.
5. Deficiency of vitamin C can lead to:
A) Scurvy
B) Rickets
C) Night blindness
D) Anemia
Answer: A
Rationale: Vitamin C deficiency causes scurvy, leading to poor wound healing and
bleeding gums.
2026 2027 GRADED A+
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Macronutrients & Energy
6. How many calories per gram does protein provide?
A) 2 kcal
B) 4 kcal
C) 7 kcal
D) 9 kcal
Answer: B
Rationale: Proteins and carbohydrates provide 4 kcal/g.
7. Which type of fat is most likely to raise LDL cholesterol?
A) Saturated fat
B) Monounsaturated fat
C) Polyunsaturated fat
D) Omega-3
Answer: A
Rationale: Saturated fats increase LDL cholesterol and cardiovascular risk.
8. Trans fats are associated with:
A) Reduced risk of heart disease
B) Increased LDL and decreased HDL
C) Improved insulin sensitivity
D) Bone growth
Answer: B
Rationale: Trans fats negatively affect cholesterol profiles.
9. Which carbohydrate type provides rapid energy?
A) Simple sugars
B) Fiber
C) Complex carbs
D) Protein
Answer: A
Rationale: Simple sugars are quickly absorbed and raise blood glucose.
10. Which is a complete protein source?
A) Rice
B) Lentils
C) Egg
D) Nuts
Answer: C
Rationale: Eggs contain all essential amino acids.
Micronutrients
11. Which mineral is needed for oxygen transport?
A) Magnesium
B) Iron
C) Potassium
2026 2027 GRADED A+
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D) Calcium
Answer: B
Rationale: Iron is a key component of hemoglobin.
12. Vitamin K is essential for:
A) Vision
B) Blood clotting
C) Bone health
D) Energy metabolism
Answer: B
Rationale: Vitamin K is required for coagulation factor synthesis.
13. Vitamin A deficiency can cause:
A) Night blindness
B) Goiter
C) Rickets
D) Fatigue
Answer: A
Rationale: Vitamin A supports vision and epithelial health.
14. Magnesium plays a major role in:
A) Muscle contraction
B) Nerve conduction
C) Bone formation
D) All of the above
Answer: D
Rationale: Magnesium is critical for multiple body functions.
15. Excess sodium intake can contribute to:
A) Hypotension
B) Hypertension
C) Iron deficiency
D) Vitamin C deficiency
Answer: B
Rationale: High sodium increases blood pressure.
Dietary Guidelines
16. MyPlate recommends:
A) Half plate grains
B) Half plate fruits & vegetables
C) Half plate protein
D) Half plate dairy
Answer: B
Rationale: Fruits and vegetables should make up half the plate.
17. Recommended daily fiber intake for adult women is:
A) 10 grams
B) 15 grams
C) 25 grams
2026 2027 GRADED A+
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D) 35 grams
Answer: C
Rationale: 25 grams/day supports digestion.
18. Whole grains provide:
A) Vitamins, minerals, and fiber
B) Only calories
C) Only protein
D) Only fat
Answer: A
Rationale: Whole grains are nutrient-rich.
19. Foods high in potassium include:
A) Bananas and potatoes
B) Cheese and milk
C) Bread and rice
D) Oils and fats
Answer: A
Rationale: Potassium-rich foods support cardiac and muscle function.
20. For hypertension management, sodium intake should be:
A) Increased
B) Reduced
C) Unlimited
D) Doubled
Answer: B
Rationale: Low-sodium diets reduce blood pressure.
Therapeutic Diets
21. Clear liquid diet includes:
A) Milk
B) Gelatin
C) Fruit with pulp
D) Meat broth
Answer: B
Rationale: Clear liquids are transparent at room temperature; gelatin is acceptable.
22. Patients with celiac disease should avoid:
A) Oats, wheat, barley, rye
B) Rice
C) Fruits
D) Eggs
Answer: A
Rationale: Gluten-containing grains trigger immune response.
23. Ketogenic diet is:
A) High carb
B) High fat, low carb
C) High protein only
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+
Basic Nutrition Concepts
1. Which nutrient is essential for muscle repair and growth?
A) Carbohydrate
B) Fat
C) Protein
D) Fiber
Answer: C
Rationale: Proteins provide amino acids for tissue repair and growth.
2. Vitamins that are water-soluble include:
A) A, D, E, K
B) C and B-complex
C) Only D
D) Only K
Answer: B
Rationale: Water-soluble vitamins dissolve in water and are not stored long-term.
3. Minerals serve primarily to:
A) Provide energy
B) Build structures and regulate processes
C) Supply calories
D) Replace vitamins
Answer: B
Rationale: Minerals support bone, nerve, and enzyme functions.
4. Which macronutrient is calorie-dense with 9 kcal/g?
A) Carbohydrate
B) Protein
C) Fat
D) Alcohol
Answer: C
Rationale: Fats provide 9 kcal per gram.
5. Deficiency of vitamin C can lead to:
A) Scurvy
B) Rickets
C) Night blindness
D) Anemia
Answer: A
Rationale: Vitamin C deficiency causes scurvy, leading to poor wound healing and
bleeding gums.
2026 2027 GRADED A+
,2|Page
Macronutrients & Energy
6. How many calories per gram does protein provide?
A) 2 kcal
B) 4 kcal
C) 7 kcal
D) 9 kcal
Answer: B
Rationale: Proteins and carbohydrates provide 4 kcal/g.
7. Which type of fat is most likely to raise LDL cholesterol?
A) Saturated fat
B) Monounsaturated fat
C) Polyunsaturated fat
D) Omega-3
Answer: A
Rationale: Saturated fats increase LDL cholesterol and cardiovascular risk.
8. Trans fats are associated with:
A) Reduced risk of heart disease
B) Increased LDL and decreased HDL
C) Improved insulin sensitivity
D) Bone growth
Answer: B
Rationale: Trans fats negatively affect cholesterol profiles.
9. Which carbohydrate type provides rapid energy?
A) Simple sugars
B) Fiber
C) Complex carbs
D) Protein
Answer: A
Rationale: Simple sugars are quickly absorbed and raise blood glucose.
10. Which is a complete protein source?
A) Rice
B) Lentils
C) Egg
D) Nuts
Answer: C
Rationale: Eggs contain all essential amino acids.
Micronutrients
11. Which mineral is needed for oxygen transport?
A) Magnesium
B) Iron
C) Potassium
2026 2027 GRADED A+
,3|Page
D) Calcium
Answer: B
Rationale: Iron is a key component of hemoglobin.
12. Vitamin K is essential for:
A) Vision
B) Blood clotting
C) Bone health
D) Energy metabolism
Answer: B
Rationale: Vitamin K is required for coagulation factor synthesis.
13. Vitamin A deficiency can cause:
A) Night blindness
B) Goiter
C) Rickets
D) Fatigue
Answer: A
Rationale: Vitamin A supports vision and epithelial health.
14. Magnesium plays a major role in:
A) Muscle contraction
B) Nerve conduction
C) Bone formation
D) All of the above
Answer: D
Rationale: Magnesium is critical for multiple body functions.
15. Excess sodium intake can contribute to:
A) Hypotension
B) Hypertension
C) Iron deficiency
D) Vitamin C deficiency
Answer: B
Rationale: High sodium increases blood pressure.
Dietary Guidelines
16. MyPlate recommends:
A) Half plate grains
B) Half plate fruits & vegetables
C) Half plate protein
D) Half plate dairy
Answer: B
Rationale: Fruits and vegetables should make up half the plate.
17. Recommended daily fiber intake for adult women is:
A) 10 grams
B) 15 grams
C) 25 grams
2026 2027 GRADED A+
, 4|Page
D) 35 grams
Answer: C
Rationale: 25 grams/day supports digestion.
18. Whole grains provide:
A) Vitamins, minerals, and fiber
B) Only calories
C) Only protein
D) Only fat
Answer: A
Rationale: Whole grains are nutrient-rich.
19. Foods high in potassium include:
A) Bananas and potatoes
B) Cheese and milk
C) Bread and rice
D) Oils and fats
Answer: A
Rationale: Potassium-rich foods support cardiac and muscle function.
20. For hypertension management, sodium intake should be:
A) Increased
B) Reduced
C) Unlimited
D) Doubled
Answer: B
Rationale: Low-sodium diets reduce blood pressure.
Therapeutic Diets
21. Clear liquid diet includes:
A) Milk
B) Gelatin
C) Fruit with pulp
D) Meat broth
Answer: B
Rationale: Clear liquids are transparent at room temperature; gelatin is acceptable.
22. Patients with celiac disease should avoid:
A) Oats, wheat, barley, rye
B) Rice
C) Fruits
D) Eggs
Answer: A
Rationale: Gluten-containing grains trigger immune response.
23. Ketogenic diet is:
A) High carb
B) High fat, low carb
C) High protein only
2026 2027 GRADED A+
