1
HESI Nutrition Actual Exam Nursing Nutrition
Assessment 2026/2027 – Complete Exam-Style
Questions with Detailed Rationales | 100%
Verified – Pass Guaranteed – A+ Graded
Basic Nutrition Principles & Nutrient Functions
Q1: Which of the following is the primary function of carbohydrates in the human body?
A. Building and repairing tissues
B. Serving as the body's main energy source [CORRECT]
C. Facilitating the absorption of fat-soluble vitamins
D. Maintaining fluid balance
Correct Answer: B
Rationale: This choice is correct because carbohydrates are broken down into glucose, which is
the preferred fuel source for the brain and red blood cells, providing the majority of the body's
energy needs.
Q2: A nurse is teaching a patient about sources of complete proteins. Which of the following
foods should be included in this list?
A. White rice
B. Soybeans [CORRECT]
C. Peanuts
D. Broccoli
Correct Answer: B
Rationale: The best answer is soybeans because they are a plant-based source that contains all
nine essential amino acids, making them a complete protein unlike most other plant sources.
Q3: Which vitamin is fat-soluble and plays a crucial role in blood clotting and bone metabolism?
A. Vitamin C
,2
B. Vitamin B12
C. Vitamin K [CORRECT]
D. Thiamine
Correct Answer: C
Rationale: This choice is correct because Vitamin K is essential for the synthesis of clotting
factors in the liver and for bone mineralization, and because it is fat-soluble, it requires dietary
fat for absorption.
Q4: A patient with osteoporosis is asking about food sources to increase calcium intake. Which
of the following options provides the highest amount of absorbable calcium?
A. Spinach
B. Yogurt [CORRECT]
C. Almonds
D. Sardines with bones
Correct Answer: B
Rationale: This choice is correct because while sardines and spinach contain calcium, dairy
products like yogurt are considered the most bioavailable source and are consistently
recommended for bone health.
Q5: Which mineral is an essential component of the thyroid hormones thyroxine (T4) and
triiodothyronine (T3)?
A. Iron
B. Iodine [CORRECT]
C. Zinc
D. Selenium
Correct Answer: B
Rationale: The best answer is iodine because it is a structural component of thyroid hormones,
and a deficiency can lead to goiter and hypothyroidism.
,3
Q6: A nurse is explaining the glycemic index to a diabetic patient. Which statement best
describes a food with a low glycemic index?
A. It causes a rapid spike in blood glucose.
B. It causes a slow, steady rise in blood glucose. [CORRECT]
C. It contains no carbohydrates.
D. It is high in simple sugars.
Correct Answer: B
Rationale: This choice is correct because low GI foods are digested and absorbed slowly, leading
to a gradual rise in blood sugar rather than a sharp spike, which helps with glycemic control.
Q7: Which of the following B-complex vitamins is known to prevent neural tube defects when
taken before and during early pregnancy?
A. Vitamin B6
B. Folate (Folic Acid) [CORRECT]
C. Vitamin B12
D. Riboflavin
Correct Answer: B
Rationale: This aligns with prenatal standards because adequate folate intake is critical in the
first weeks of pregnancy to ensure proper closure of the neural tube, preventing defects like spina
bifida.
Q8: A patient follows a strict vegan diet. Which nutrient deficiency are they at highest risk for
developing?
A. Vitamin C
B. Vitamin B12 [CORRECT]
C. Fiber
D. Vitamin A
Correct Answer: B
, 4
Rationale: The best answer is Vitamin B12 because it is naturally found almost exclusively in
animal products, so vegans must consume fortified foods or supplements to avoid deficiency.
Q9: What is the primary function of fiber in the diet?
A. Building muscle mass
B. Promoting regular bowel movements and maintaining bowel health [CORRECT]
C. Lowering blood pressure significantly
D. Providing quick energy
Correct Answer: B
Rationale: This choice is correct because fiber adds bulk to stool and aids in its passage through
the digestive tract, preventing constipation and promoting overall gastrointestinal health.
Q10: Which of the following is a trace mineral that acts as an antioxidant and supports the
immune system?
A. Calcium
B. Selenium [CORRECT]
C. Magnesium
D. Potassium
Correct Answer: B
Rationale: The best answer is selenium because it is a component of antioxidant enzymes that
protect cells from damage and is vital for proper immune function.
Q11: DATA SNIPPET: Look at the nutrition facts label below:
Serving Size: 1 cup
Total Fat: 0g
Sodium: 5mg
Total Carbohydrate: 13g
Dietary Fiber: 3g
HESI Nutrition Actual Exam Nursing Nutrition
Assessment 2026/2027 – Complete Exam-Style
Questions with Detailed Rationales | 100%
Verified – Pass Guaranteed – A+ Graded
Basic Nutrition Principles & Nutrient Functions
Q1: Which of the following is the primary function of carbohydrates in the human body?
A. Building and repairing tissues
B. Serving as the body's main energy source [CORRECT]
C. Facilitating the absorption of fat-soluble vitamins
D. Maintaining fluid balance
Correct Answer: B
Rationale: This choice is correct because carbohydrates are broken down into glucose, which is
the preferred fuel source for the brain and red blood cells, providing the majority of the body's
energy needs.
Q2: A nurse is teaching a patient about sources of complete proteins. Which of the following
foods should be included in this list?
A. White rice
B. Soybeans [CORRECT]
C. Peanuts
D. Broccoli
Correct Answer: B
Rationale: The best answer is soybeans because they are a plant-based source that contains all
nine essential amino acids, making them a complete protein unlike most other plant sources.
Q3: Which vitamin is fat-soluble and plays a crucial role in blood clotting and bone metabolism?
A. Vitamin C
,2
B. Vitamin B12
C. Vitamin K [CORRECT]
D. Thiamine
Correct Answer: C
Rationale: This choice is correct because Vitamin K is essential for the synthesis of clotting
factors in the liver and for bone mineralization, and because it is fat-soluble, it requires dietary
fat for absorption.
Q4: A patient with osteoporosis is asking about food sources to increase calcium intake. Which
of the following options provides the highest amount of absorbable calcium?
A. Spinach
B. Yogurt [CORRECT]
C. Almonds
D. Sardines with bones
Correct Answer: B
Rationale: This choice is correct because while sardines and spinach contain calcium, dairy
products like yogurt are considered the most bioavailable source and are consistently
recommended for bone health.
Q5: Which mineral is an essential component of the thyroid hormones thyroxine (T4) and
triiodothyronine (T3)?
A. Iron
B. Iodine [CORRECT]
C. Zinc
D. Selenium
Correct Answer: B
Rationale: The best answer is iodine because it is a structural component of thyroid hormones,
and a deficiency can lead to goiter and hypothyroidism.
,3
Q6: A nurse is explaining the glycemic index to a diabetic patient. Which statement best
describes a food with a low glycemic index?
A. It causes a rapid spike in blood glucose.
B. It causes a slow, steady rise in blood glucose. [CORRECT]
C. It contains no carbohydrates.
D. It is high in simple sugars.
Correct Answer: B
Rationale: This choice is correct because low GI foods are digested and absorbed slowly, leading
to a gradual rise in blood sugar rather than a sharp spike, which helps with glycemic control.
Q7: Which of the following B-complex vitamins is known to prevent neural tube defects when
taken before and during early pregnancy?
A. Vitamin B6
B. Folate (Folic Acid) [CORRECT]
C. Vitamin B12
D. Riboflavin
Correct Answer: B
Rationale: This aligns with prenatal standards because adequate folate intake is critical in the
first weeks of pregnancy to ensure proper closure of the neural tube, preventing defects like spina
bifida.
Q8: A patient follows a strict vegan diet. Which nutrient deficiency are they at highest risk for
developing?
A. Vitamin C
B. Vitamin B12 [CORRECT]
C. Fiber
D. Vitamin A
Correct Answer: B
, 4
Rationale: The best answer is Vitamin B12 because it is naturally found almost exclusively in
animal products, so vegans must consume fortified foods or supplements to avoid deficiency.
Q9: What is the primary function of fiber in the diet?
A. Building muscle mass
B. Promoting regular bowel movements and maintaining bowel health [CORRECT]
C. Lowering blood pressure significantly
D. Providing quick energy
Correct Answer: B
Rationale: This choice is correct because fiber adds bulk to stool and aids in its passage through
the digestive tract, preventing constipation and promoting overall gastrointestinal health.
Q10: Which of the following is a trace mineral that acts as an antioxidant and supports the
immune system?
A. Calcium
B. Selenium [CORRECT]
C. Magnesium
D. Potassium
Correct Answer: B
Rationale: The best answer is selenium because it is a component of antioxidant enzymes that
protect cells from damage and is vital for proper immune function.
Q11: DATA SNIPPET: Look at the nutrition facts label below:
Serving Size: 1 cup
Total Fat: 0g
Sodium: 5mg
Total Carbohydrate: 13g
Dietary Fiber: 3g
