WGU D440 FINAL EXAM Actual Exam
2026/2027 Complete Questions and Verified
Answers with Detailed Rationales Health and
Wellness Through Nutritional Science Grade A
Pass Guaranteed - A+ Graded
SECTION 1: FOUNDATIONS OF NUTRITION (Questions 1-15)
Q1: According to the Dietary Guidelines for Americans, which of the following is a key
recommendation for healthy eating patterns?
A. Consume less than 10% of calories per day from added sugars. [CORRECT]
B. Eliminate all carbohydrates from the diet
C. Consume at least 50% of calories from saturated fats
D. Avoid all dietary fiber
Correct Answer: A
Rationale: The Dietary Guidelines for Americans recommend consuming less than 10% of
calories per day from added sugars (A). Eliminating all carbohydrates (B) is not recommended as
they are the body's primary energy source. Saturated fats should be limited to less than 10% of
calories (C). Dietary fiber is essential for digestive health and should be consumed daily (D).
Q2: Which component of the ABCD nutrition assessment involves measuring height, weight,
BMI, and waist circumference?
A. Biochemical assessment
B. Anthropometric assessment [CORRECT]
C. Clinical assessment
D. Dietary assessment
Correct Answer: B
Rationale: Anthropometric assessment (B) involves physical measurements of the body including
height, weight, BMI, and waist circumference. Biochemical assessment (A) involves laboratory
,tests, clinical assessment (C) involves physical examination for signs of deficiencies, and dietary
assessment (D) involves evaluation of food intake.
Q3: The MyPlate food guidance system recommends that fruits and vegetables should together
make up approximately what proportion of the plate?
A. One-quarter
B. One-third
C. One-half [CORRECT]
D. Three-quarters
Correct Answer: C
Rationale: MyPlate recommends that fruits and vegetables together should cover approximately
one-half of the plate (C), with vegetables slightly emphasized over fruits. Grains and protein
each occupy about one-quarter of the plate, and dairy is represented as a side serving.
Q4: Which of the following factors influencing food choices is considered an environmental
factor?
A. Personal taste preferences
B. Cultural traditions
C. Food availability and accessibility [CORRECT]
D. Emotional stress
Correct Answer: C
Rationale: Food availability and accessibility (C) are environmental factors that influence food
choices. Personal taste preferences (A) are individual factors, cultural traditions (B) are
social/cultural factors, and emotional stress (D) is a psychological factor.
Q5: Which term describes a condition caused by consuming too much or too little of one or more
nutrients?
A. Malnutrition [CORRECT]
B. Undernutrition
C. Overnutrition
D. Dehydration
Correct Answer: A
,Rationale: Malnutrition (A) is the broad term encompassing both undernutrition (insufficient
nutrients) and overnutrition (excess nutrients). Undernutrition (B) refers specifically to nutrient
deficiencies, overnutrition (C) refers to nutrient excesses, and dehydration (D) refers specifically
to fluid imbalance.
Q6: According to the Dietary Guidelines for Americans, which of the following is NOT one of
the five core guidelines?
A. Follow a healthy eating pattern across the lifespan
B. Focus on variety, nutrient density, and amount
C. Consume at least 3,000 mg of sodium daily [CORRECT]
D. Support healthy eating patterns for all
Correct Answer: C
Rationale: The Dietary Guidelines recommend limiting sodium intake to less than 2,300 mg per
day, not consuming at least 3,000 mg (C). The five core guidelines include following healthy
patterns across the lifespan (A), focusing on variety and nutrient density (B), limiting calories
from added sugars and saturated fats, shifting to healthier choices, and supporting healthy
patterns for all (D).
Q7: Which dietary assessment method involves asking a client to recall all foods and beverages
consumed in the previous 24 hours?
A. Food frequency questionnaire
B. Food diary
C. 24-hour dietary recall [CORRECT]
D. Diet history
Correct Answer: C
Rationale: The 24-hour dietary recall (C) involves asking clients to remember everything they
consumed in the past 24 hours. Food frequency questionnaires (A) assess how often foods are
consumed over longer periods, food diaries (B) require real-time recording, and diet history (D)
covers typical eating patterns over extended periods.
Q8: Which of the following is an essential nutrient?
A. Fiber
B. Cholesterol
C. Vitamin C [CORRECT]
, D. Alcohol
Correct Answer: C
Rationale: Vitamin C (C) is an essential nutrient that the body cannot synthesize and must be
obtained from the diet. Fiber (A) is important but not technically classified as essential,
cholesterol (B) is synthesized by the body, and alcohol (D) provides calories but is not a nutrient
and is not essential.
Q9: The Dietary Guidelines for Americans recommend limiting saturated fat intake to less than
what percentage of total daily calories?
A. 5%
B. 10% [CORRECT]
C. 20%
D. 35%
Correct Answer: B
Rationale: The Dietary Guidelines recommend limiting saturated fat to less than 10% of total
daily calories (B) to reduce cardiovascular disease risk. Total fat should be 20-35% of calories
(D), with emphasis on unsaturated fats.
Q10: Which MyPlate food group should provide the largest portion of daily calories when
following a 2,000-calorie diet?
A. Fruits
B. Vegetables
C. Grains [CORRECT]
D. Protein
Correct Answer: C
Rationale: Grains (C) should provide the largest portion of daily calories (approximately 6
ounce-equivalents), followed closely by vegetables. This reflects their role as primary energy
sources in a balanced diet.
Q11: In the ABCD nutrition assessment, which component would include laboratory values such
as serum albumin, hemoglobin, and lipid panels?
A. Anthropometric
B. Biochemical [CORRECT]
2026/2027 Complete Questions and Verified
Answers with Detailed Rationales Health and
Wellness Through Nutritional Science Grade A
Pass Guaranteed - A+ Graded
SECTION 1: FOUNDATIONS OF NUTRITION (Questions 1-15)
Q1: According to the Dietary Guidelines for Americans, which of the following is a key
recommendation for healthy eating patterns?
A. Consume less than 10% of calories per day from added sugars. [CORRECT]
B. Eliminate all carbohydrates from the diet
C. Consume at least 50% of calories from saturated fats
D. Avoid all dietary fiber
Correct Answer: A
Rationale: The Dietary Guidelines for Americans recommend consuming less than 10% of
calories per day from added sugars (A). Eliminating all carbohydrates (B) is not recommended as
they are the body's primary energy source. Saturated fats should be limited to less than 10% of
calories (C). Dietary fiber is essential for digestive health and should be consumed daily (D).
Q2: Which component of the ABCD nutrition assessment involves measuring height, weight,
BMI, and waist circumference?
A. Biochemical assessment
B. Anthropometric assessment [CORRECT]
C. Clinical assessment
D. Dietary assessment
Correct Answer: B
Rationale: Anthropometric assessment (B) involves physical measurements of the body including
height, weight, BMI, and waist circumference. Biochemical assessment (A) involves laboratory
,tests, clinical assessment (C) involves physical examination for signs of deficiencies, and dietary
assessment (D) involves evaluation of food intake.
Q3: The MyPlate food guidance system recommends that fruits and vegetables should together
make up approximately what proportion of the plate?
A. One-quarter
B. One-third
C. One-half [CORRECT]
D. Three-quarters
Correct Answer: C
Rationale: MyPlate recommends that fruits and vegetables together should cover approximately
one-half of the plate (C), with vegetables slightly emphasized over fruits. Grains and protein
each occupy about one-quarter of the plate, and dairy is represented as a side serving.
Q4: Which of the following factors influencing food choices is considered an environmental
factor?
A. Personal taste preferences
B. Cultural traditions
C. Food availability and accessibility [CORRECT]
D. Emotional stress
Correct Answer: C
Rationale: Food availability and accessibility (C) are environmental factors that influence food
choices. Personal taste preferences (A) are individual factors, cultural traditions (B) are
social/cultural factors, and emotional stress (D) is a psychological factor.
Q5: Which term describes a condition caused by consuming too much or too little of one or more
nutrients?
A. Malnutrition [CORRECT]
B. Undernutrition
C. Overnutrition
D. Dehydration
Correct Answer: A
,Rationale: Malnutrition (A) is the broad term encompassing both undernutrition (insufficient
nutrients) and overnutrition (excess nutrients). Undernutrition (B) refers specifically to nutrient
deficiencies, overnutrition (C) refers to nutrient excesses, and dehydration (D) refers specifically
to fluid imbalance.
Q6: According to the Dietary Guidelines for Americans, which of the following is NOT one of
the five core guidelines?
A. Follow a healthy eating pattern across the lifespan
B. Focus on variety, nutrient density, and amount
C. Consume at least 3,000 mg of sodium daily [CORRECT]
D. Support healthy eating patterns for all
Correct Answer: C
Rationale: The Dietary Guidelines recommend limiting sodium intake to less than 2,300 mg per
day, not consuming at least 3,000 mg (C). The five core guidelines include following healthy
patterns across the lifespan (A), focusing on variety and nutrient density (B), limiting calories
from added sugars and saturated fats, shifting to healthier choices, and supporting healthy
patterns for all (D).
Q7: Which dietary assessment method involves asking a client to recall all foods and beverages
consumed in the previous 24 hours?
A. Food frequency questionnaire
B. Food diary
C. 24-hour dietary recall [CORRECT]
D. Diet history
Correct Answer: C
Rationale: The 24-hour dietary recall (C) involves asking clients to remember everything they
consumed in the past 24 hours. Food frequency questionnaires (A) assess how often foods are
consumed over longer periods, food diaries (B) require real-time recording, and diet history (D)
covers typical eating patterns over extended periods.
Q8: Which of the following is an essential nutrient?
A. Fiber
B. Cholesterol
C. Vitamin C [CORRECT]
, D. Alcohol
Correct Answer: C
Rationale: Vitamin C (C) is an essential nutrient that the body cannot synthesize and must be
obtained from the diet. Fiber (A) is important but not technically classified as essential,
cholesterol (B) is synthesized by the body, and alcohol (D) provides calories but is not a nutrient
and is not essential.
Q9: The Dietary Guidelines for Americans recommend limiting saturated fat intake to less than
what percentage of total daily calories?
A. 5%
B. 10% [CORRECT]
C. 20%
D. 35%
Correct Answer: B
Rationale: The Dietary Guidelines recommend limiting saturated fat to less than 10% of total
daily calories (B) to reduce cardiovascular disease risk. Total fat should be 20-35% of calories
(D), with emphasis on unsaturated fats.
Q10: Which MyPlate food group should provide the largest portion of daily calories when
following a 2,000-calorie diet?
A. Fruits
B. Vegetables
C. Grains [CORRECT]
D. Protein
Correct Answer: C
Rationale: Grains (C) should provide the largest portion of daily calories (approximately 6
ounce-equivalents), followed closely by vegetables. This reflects their role as primary energy
sources in a balanced diet.
Q11: In the ABCD nutrition assessment, which component would include laboratory values such
as serum albumin, hemoglobin, and lipid panels?
A. Anthropometric
B. Biochemical [CORRECT]
