HESI RN NUTRITION EXAM STUDY GUIDE
NEWEST 2026 | HESI SPECIALTY
NUTRITION TEST BANK |300+ PRACTICE
Q&A + DETAILED RATIONALES | COMPLETE
REVIEW 2026
Question: A nurse is teaching a client with a new diagnosis of type 2 diabetes about
dietary management. Which statement by the client indicates a correct understanding
of the teaching?
A) "I should completely avoid all carbohydrates to control my blood sugar."
B) "I should focus on eating a consistent amount of carbohydrates each day."
C) "I can eat unlimited amounts of sugar-free desserts."
D) "I should only eat high-protein, low-carbohydrate meals."
Correct Answer: B
Expert Rationale: For clients with diabetes, maintaining consistent carbohydrate intake at
meals and snacks is a key strategy for blood glucose control. This helps to match insulin
availability or medication with glucose absorption, preventing hyperglycemia.
Carbohydrates have the most significant impact on blood glucose levels, and consistency
helps prevent dangerous fluctuations. Complete avoidance is not recommended, and
sugar-free desserts still contain carbohydrates and calories that must be counted.
Question: A client who is 3 days post-operative from a stroke has been diagnosed with
dysphagia. What is the nurse's priority intervention when preparing to assist the client
with their meal?
A) Place the client in a semi-Fowler's position.
B) Offer the client thin liquids to ease swallowing.
C) Position the client in a high-Fowler's position.
D) Thicken all liquids to a nectar consistency.
Correct Answer: C
,Expert Rationale: The priority for a client with dysphagia is to prevent aspiration. The client
should be positioned in a high-Fowler's (upright) position during and for at least 30-60
minutes after eating to facilitate safe swallowing and gastric emptying. Thin liquids are an
aspiration risk for dysphagia patients and should be thickened based on the speech-
language pathologist's recommendation. Semi-Fowler's does not provide adequate
protection against aspiration. The specific consistency of thickened liquids should be
determined by a formal swallow evaluation.
Question: A client with chronic kidney disease (CKD) is on a renal diet. The nurse
should instruct the client to limit which of the following foods to help prevent
hyperkalemia?
A) Apples
B) Bananas
C) White rice
D) Green beans
Correct Answer: B
Expert Rationale: Bananas are high in potassium. In CKD, the kidneys cannot effectively
excrete potassium, leading to hyperkalemia, a dangerous condition that can cause cardiac
arrhythmias. Limiting high-potassium foods like bananas, oranges, potatoes, tomatoes,
and avocados is essential. Apples, white rice, and green beans are lower in potassium and
are generally safer choices for renal patients. Patients should also be educated about
reading food labels for potassium content.
Question: Which of the following food combinations would best enhance the
absorption of non-heme iron for a client with iron deficiency anemia?
A) Spinach salad with hard-boiled eggs
B) Beef steak with a glass of milk
C) Lentil soup with a glass of orange juice
D) Oatmeal with a cup of coffee
Correct Answer: C
Expert Rationale: Vitamin C significantly enhances the absorption of non-heme iron (the
type found in plants). Orange juice (high in vitamin C) consumed with lentils (a source of
iron) is an ideal combination. Calcium (found in milk) and tannins (found in coffee and tea)
,can inhibit iron absorption. Eggs contain compounds that can also inhibit iron absorption.
Understanding these interactions is essential for counseling clients with iron deficiency
anemia.
Question: A client following a strict vegan diet may be at risk for a deficiency of which
vitamin, potentially leading to neurological issues?
A) Vitamin C
B) Vitamin A
C) Vitamin B12
D) Vitamin D
Correct Answer: C
Expert Rationale: Vitamin B12 is found naturally only in animal products. Strict vegans
who do not supplement can develop a deficiency, which can cause pernicious anemia and
neurological problems including peripheral neuropathy, memory loss, and cognitive
decline. Vitamin B12 supplementation is essential for individuals following a strict vegan
diet. Vitamin D may also be low in vegans, but B12 deficiency poses a more immediate
neurological threat.
Question: A nurse is calculating the Body Mass Index (BMI) for a client who weighs 180
pounds and is 5 feet 10 inches tall. What is the client's BMI and how would it be
classified?
A) 22.5, Normal
B) 25.8, Overweight
C) 28.1, Overweight
D) 30.2, Obese
Correct Answer: B
Expert Rationale: BMI is calculated using the formula: weight (kg) / height (m²). Converting
the client's measurements: Weight in kg = 180 ÷ 2.2 = 81.8 kg. Height in meters = 70 inches
× 0.0254 = 1.78 m. Squared height = 1.78 × 1.78 = 3.17 m². BMI = 81.8 ÷ 3.17 = 25.8. A BMI
between 25.0 and 29.9 is classified as overweight. Normal BMI is 18.5-24.9, and obesity is
30.0 and above. This classification is important for identifying health risks.
, Question: A client with celiac disease should be taught to avoid which of the following
foods?
A) Rice
B) Corn
C) Wheat bread
D) Quinoa
Correct Answer: C
Expert Rationale: Celiac disease requires a strict gluten-free diet. Gluten is a protein
found in wheat, barley, and rye. Avoiding wheat bread is essential to prevent intestinal
damage and symptoms such as diarrhea, abdominal pain, and malabsorption. Rice, corn,
and quinoa are gluten-free and safe for celiac patients when prepared without cross-
contamination. Patients must also be educated to read labels for hidden sources of gluten
in processed foods.
Question: Which vitamins are fat-soluble?
A) B-complex and Vitamin C
B) Vitamins A, D, E, and K
C) Vitamin B12 and Folate
D) Vitamin C and Vitamin D
Correct Answer: B
Expert Rationale: Vitamins A, D, E, and K are fat-soluble vitamins. Unlike water-soluble
vitamins (B-complex and C), they are absorbed with dietary fat, stored in the body's fatty
tissue and liver, and can accumulate to toxic levels if consumed in excess. Water-soluble
vitamins are excreted in urine and generally do not reach toxic levels. Understanding this
distinction is essential for patient education about supplementation and dietary sources.
Question: A client is prescribed a clear liquid diet. Which of the following items is
appropriate to include?
A) Orange juice with pulp
B) Cream of wheat
C) Chicken broth
D) Pudding
NEWEST 2026 | HESI SPECIALTY
NUTRITION TEST BANK |300+ PRACTICE
Q&A + DETAILED RATIONALES | COMPLETE
REVIEW 2026
Question: A nurse is teaching a client with a new diagnosis of type 2 diabetes about
dietary management. Which statement by the client indicates a correct understanding
of the teaching?
A) "I should completely avoid all carbohydrates to control my blood sugar."
B) "I should focus on eating a consistent amount of carbohydrates each day."
C) "I can eat unlimited amounts of sugar-free desserts."
D) "I should only eat high-protein, low-carbohydrate meals."
Correct Answer: B
Expert Rationale: For clients with diabetes, maintaining consistent carbohydrate intake at
meals and snacks is a key strategy for blood glucose control. This helps to match insulin
availability or medication with glucose absorption, preventing hyperglycemia.
Carbohydrates have the most significant impact on blood glucose levels, and consistency
helps prevent dangerous fluctuations. Complete avoidance is not recommended, and
sugar-free desserts still contain carbohydrates and calories that must be counted.
Question: A client who is 3 days post-operative from a stroke has been diagnosed with
dysphagia. What is the nurse's priority intervention when preparing to assist the client
with their meal?
A) Place the client in a semi-Fowler's position.
B) Offer the client thin liquids to ease swallowing.
C) Position the client in a high-Fowler's position.
D) Thicken all liquids to a nectar consistency.
Correct Answer: C
,Expert Rationale: The priority for a client with dysphagia is to prevent aspiration. The client
should be positioned in a high-Fowler's (upright) position during and for at least 30-60
minutes after eating to facilitate safe swallowing and gastric emptying. Thin liquids are an
aspiration risk for dysphagia patients and should be thickened based on the speech-
language pathologist's recommendation. Semi-Fowler's does not provide adequate
protection against aspiration. The specific consistency of thickened liquids should be
determined by a formal swallow evaluation.
Question: A client with chronic kidney disease (CKD) is on a renal diet. The nurse
should instruct the client to limit which of the following foods to help prevent
hyperkalemia?
A) Apples
B) Bananas
C) White rice
D) Green beans
Correct Answer: B
Expert Rationale: Bananas are high in potassium. In CKD, the kidneys cannot effectively
excrete potassium, leading to hyperkalemia, a dangerous condition that can cause cardiac
arrhythmias. Limiting high-potassium foods like bananas, oranges, potatoes, tomatoes,
and avocados is essential. Apples, white rice, and green beans are lower in potassium and
are generally safer choices for renal patients. Patients should also be educated about
reading food labels for potassium content.
Question: Which of the following food combinations would best enhance the
absorption of non-heme iron for a client with iron deficiency anemia?
A) Spinach salad with hard-boiled eggs
B) Beef steak with a glass of milk
C) Lentil soup with a glass of orange juice
D) Oatmeal with a cup of coffee
Correct Answer: C
Expert Rationale: Vitamin C significantly enhances the absorption of non-heme iron (the
type found in plants). Orange juice (high in vitamin C) consumed with lentils (a source of
iron) is an ideal combination. Calcium (found in milk) and tannins (found in coffee and tea)
,can inhibit iron absorption. Eggs contain compounds that can also inhibit iron absorption.
Understanding these interactions is essential for counseling clients with iron deficiency
anemia.
Question: A client following a strict vegan diet may be at risk for a deficiency of which
vitamin, potentially leading to neurological issues?
A) Vitamin C
B) Vitamin A
C) Vitamin B12
D) Vitamin D
Correct Answer: C
Expert Rationale: Vitamin B12 is found naturally only in animal products. Strict vegans
who do not supplement can develop a deficiency, which can cause pernicious anemia and
neurological problems including peripheral neuropathy, memory loss, and cognitive
decline. Vitamin B12 supplementation is essential for individuals following a strict vegan
diet. Vitamin D may also be low in vegans, but B12 deficiency poses a more immediate
neurological threat.
Question: A nurse is calculating the Body Mass Index (BMI) for a client who weighs 180
pounds and is 5 feet 10 inches tall. What is the client's BMI and how would it be
classified?
A) 22.5, Normal
B) 25.8, Overweight
C) 28.1, Overweight
D) 30.2, Obese
Correct Answer: B
Expert Rationale: BMI is calculated using the formula: weight (kg) / height (m²). Converting
the client's measurements: Weight in kg = 180 ÷ 2.2 = 81.8 kg. Height in meters = 70 inches
× 0.0254 = 1.78 m. Squared height = 1.78 × 1.78 = 3.17 m². BMI = 81.8 ÷ 3.17 = 25.8. A BMI
between 25.0 and 29.9 is classified as overweight. Normal BMI is 18.5-24.9, and obesity is
30.0 and above. This classification is important for identifying health risks.
, Question: A client with celiac disease should be taught to avoid which of the following
foods?
A) Rice
B) Corn
C) Wheat bread
D) Quinoa
Correct Answer: C
Expert Rationale: Celiac disease requires a strict gluten-free diet. Gluten is a protein
found in wheat, barley, and rye. Avoiding wheat bread is essential to prevent intestinal
damage and symptoms such as diarrhea, abdominal pain, and malabsorption. Rice, corn,
and quinoa are gluten-free and safe for celiac patients when prepared without cross-
contamination. Patients must also be educated to read labels for hidden sources of gluten
in processed foods.
Question: Which vitamins are fat-soluble?
A) B-complex and Vitamin C
B) Vitamins A, D, E, and K
C) Vitamin B12 and Folate
D) Vitamin C and Vitamin D
Correct Answer: B
Expert Rationale: Vitamins A, D, E, and K are fat-soluble vitamins. Unlike water-soluble
vitamins (B-complex and C), they are absorbed with dietary fat, stored in the body's fatty
tissue and liver, and can accumulate to toxic levels if consumed in excess. Water-soluble
vitamins are excreted in urine and generally do not reach toxic levels. Understanding this
distinction is essential for patient education about supplementation and dietary sources.
Question: A client is prescribed a clear liquid diet. Which of the following items is
appropriate to include?
A) Orange juice with pulp
B) Cream of wheat
C) Chicken broth
D) Pudding
