OA PRACTICE EXAM • 2026/2027
D440
Health & Wellness Through
Nutritional Science
OA Practice Exam - 200 Questions
Comprehensive mixed practice covering nutrition foundations, macro- and micronutrients, lifespan
needs, therapeutic nutrition, assessment and laboratory values, hydration, food safety, nutrition
support, and clinical application.
200 A-D END
Practice Questions Multiple Choice Answers + Explanations
Original study and revision material • Mixed comprehensive review • Clean print-ready format
, D440 OA Practice Exam
200 original A-D practice questions; complete answer key and detailed explanations are at the end.
Instructions: Select the best answer for each question. Complete the full practice test before checking your work. The
quick answer key and detailed explanations begin after Question 200. Questions are mixed across the major D440
nutrition concepts for comprehensive objective-assessment review.
Comprehensive Mixed OA Practice Questions
1 Which beverage substitution can reduce added sugar intake most directly?
A Replace regular soda with water or unsweetened sparkling water
B Use sports drinks with meals regardless of activity
C Replace water with sweet tea
D Add syrup to coffee
2 Why should honey generally be avoided in infants younger than 12 months?
A Risk of infant botulism
B It contains too much protein
C It always causes lactose intolerance
D It prevents iron absorption completely
3 Which assessment best identifies a practical barrier to adequate nutrition?
A Check only BMI
B Review hair color
C Measure hand span
D Ask whether the client can afford and access enough food
D440 • OA Practice Exam • 200 Questions Page 2
, 4 A client with lactose intolerance wants dairy. Which approach may improve tolerance?
A Use raw milk
B Consume only large servings on an empty stomach
C Choose lactose-free dairy or smaller portions with meals
D Avoid all calcium-containing foods
5 A client with celiac disease should avoid which grain?
A Rice
B Corn
C Quinoa
D Wheat
6 Which mineral is critical for thyroid hormone synthesis?
A Calcium
B Iodine
C Iron
D Magnesium
7 A client with night blindness is being evaluated for a vitamin deficiency. Which
deficiency is most likely?
A Vitamin K
B Vitamin B12
C Vitamin C
D Vitamin A
D440 • OA Practice Exam • 200 Questions Page 3
, 8 Which complication can occur if enteral feeding is started too rapidly in a severely
malnourished client?
A Refeeding syndrome
B Scurvy within minutes
C Vitamin A toxicity immediately
D Iron overload from one feeding
9 Which diet modification is commonly used for dysphagia?
A No fluids under any circumstance
B Thin liquids for everyone
C High-fiber raw vegetables for every patient
D Texture-modified foods and appropriately thickened liquids based on swallowing assessment
10 Which IV solution is hypertonic?
A 3% sodium chloride
B Lactated Ringer solution
C 0.9% sodium chloride
D 0.45% sodium chloride
11 Which meal best demonstrates a balanced macronutrient pattern?
A Protein powder mixed with water as the only daily intake
B Butter and cream only
C Grilled chicken, brown rice, vegetables, and avocado
D Candy and soda
D440 • OA Practice Exam • 200 Questions Page 4
D440
Health & Wellness Through
Nutritional Science
OA Practice Exam - 200 Questions
Comprehensive mixed practice covering nutrition foundations, macro- and micronutrients, lifespan
needs, therapeutic nutrition, assessment and laboratory values, hydration, food safety, nutrition
support, and clinical application.
200 A-D END
Practice Questions Multiple Choice Answers + Explanations
Original study and revision material • Mixed comprehensive review • Clean print-ready format
, D440 OA Practice Exam
200 original A-D practice questions; complete answer key and detailed explanations are at the end.
Instructions: Select the best answer for each question. Complete the full practice test before checking your work. The
quick answer key and detailed explanations begin after Question 200. Questions are mixed across the major D440
nutrition concepts for comprehensive objective-assessment review.
Comprehensive Mixed OA Practice Questions
1 Which beverage substitution can reduce added sugar intake most directly?
A Replace regular soda with water or unsweetened sparkling water
B Use sports drinks with meals regardless of activity
C Replace water with sweet tea
D Add syrup to coffee
2 Why should honey generally be avoided in infants younger than 12 months?
A Risk of infant botulism
B It contains too much protein
C It always causes lactose intolerance
D It prevents iron absorption completely
3 Which assessment best identifies a practical barrier to adequate nutrition?
A Check only BMI
B Review hair color
C Measure hand span
D Ask whether the client can afford and access enough food
D440 • OA Practice Exam • 200 Questions Page 2
, 4 A client with lactose intolerance wants dairy. Which approach may improve tolerance?
A Use raw milk
B Consume only large servings on an empty stomach
C Choose lactose-free dairy or smaller portions with meals
D Avoid all calcium-containing foods
5 A client with celiac disease should avoid which grain?
A Rice
B Corn
C Quinoa
D Wheat
6 Which mineral is critical for thyroid hormone synthesis?
A Calcium
B Iodine
C Iron
D Magnesium
7 A client with night blindness is being evaluated for a vitamin deficiency. Which
deficiency is most likely?
A Vitamin K
B Vitamin B12
C Vitamin C
D Vitamin A
D440 • OA Practice Exam • 200 Questions Page 3
, 8 Which complication can occur if enteral feeding is started too rapidly in a severely
malnourished client?
A Refeeding syndrome
B Scurvy within minutes
C Vitamin A toxicity immediately
D Iron overload from one feeding
9 Which diet modification is commonly used for dysphagia?
A No fluids under any circumstance
B Thin liquids for everyone
C High-fiber raw vegetables for every patient
D Texture-modified foods and appropriately thickened liquids based on swallowing assessment
10 Which IV solution is hypertonic?
A 3% sodium chloride
B Lactated Ringer solution
C 0.9% sodium chloride
D 0.45% sodium chloride
11 Which meal best demonstrates a balanced macronutrient pattern?
A Protein powder mixed with water as the only daily intake
B Butter and cream only
C Grilled chicken, brown rice, vegetables, and avocado
D Candy and soda
D440 • OA Practice Exam • 200 Questions Page 4
