WGU D440 Nutrition Practice Exam 2026 UPDATE
1. Which of the following macronutrients provides the highest amount of energy per gram?
A. Carbohydrates
B. Proteins
C. Fats
D. Alcohol
Answer: C
Rationale: Fats provide 9 calories per gram, while carbohydrates and proteins provide 4
calories per gram, and alcohol provides 7 calories per gram.
2. A patient is looking to increase their intake of omega-3 fatty acids. Which food should they
prioritize?
A. Chicken breast
B. Salmon
C. White bread
D. Coconut oil
Answer: B
,Rationale: Fatty fish like salmon are rich sources of EPA and DHA, which are types of
omega-3 fatty acids essential for heart and brain health.
3. What is the primary role of Vitamin K in the body?
A. Energy metabolism
B. Vision protection
C. Calcium absorption
D. Blood clotting
Answer: D
Rationale: Vitamin K is essential for the synthesis of proteins needed for blood
coagulation; without it, excessive bleeding can occur.
4. According to the Dietary Guidelines for Americans, what is the maximum recommended
daily intake of sodium for a healthy adult?
A. 2,300 mg
B. 1,500 mg
C. 3,000 mg
D. 5,000 mg
Answer: A
Rationale: The DGA recommends limiting sodium intake to less than 2,300 mg per day to
reduce the risk of hypertension.
, 5. Which vitamin deficiency is specifically associated with neural tube defects in newborns?
A. Folate (B9)
B. Vitamin B12
C. Vitamin C
D. Vitamin D
Answer: A
Rationale: Adequate folate intake before and during early pregnancy is crucial to prevent
neural tube defects like spina bifida.
6. What is the recommended weight gain during pregnancy for a woman with a ‘Normal’ BMI
(18.5-24.9)?
A. 25-35 lbs
B. 15-25 lbs
C. 11-20 lbs
D. 35-45 lbs
Answer: A
Rationale: Women with a normal BMI are generally advised to gain between 25 and 35
pounds during pregnancy for optimal fetal health.
7. Which of these is a characteristic of a ‘nutrient-dense’ food?
A. High in calories, low in weight
1. Which of the following macronutrients provides the highest amount of energy per gram?
A. Carbohydrates
B. Proteins
C. Fats
D. Alcohol
Answer: C
Rationale: Fats provide 9 calories per gram, while carbohydrates and proteins provide 4
calories per gram, and alcohol provides 7 calories per gram.
2. A patient is looking to increase their intake of omega-3 fatty acids. Which food should they
prioritize?
A. Chicken breast
B. Salmon
C. White bread
D. Coconut oil
Answer: B
,Rationale: Fatty fish like salmon are rich sources of EPA and DHA, which are types of
omega-3 fatty acids essential for heart and brain health.
3. What is the primary role of Vitamin K in the body?
A. Energy metabolism
B. Vision protection
C. Calcium absorption
D. Blood clotting
Answer: D
Rationale: Vitamin K is essential for the synthesis of proteins needed for blood
coagulation; without it, excessive bleeding can occur.
4. According to the Dietary Guidelines for Americans, what is the maximum recommended
daily intake of sodium for a healthy adult?
A. 2,300 mg
B. 1,500 mg
C. 3,000 mg
D. 5,000 mg
Answer: A
Rationale: The DGA recommends limiting sodium intake to less than 2,300 mg per day to
reduce the risk of hypertension.
, 5. Which vitamin deficiency is specifically associated with neural tube defects in newborns?
A. Folate (B9)
B. Vitamin B12
C. Vitamin C
D. Vitamin D
Answer: A
Rationale: Adequate folate intake before and during early pregnancy is crucial to prevent
neural tube defects like spina bifida.
6. What is the recommended weight gain during pregnancy for a woman with a ‘Normal’ BMI
(18.5-24.9)?
A. 25-35 lbs
B. 15-25 lbs
C. 11-20 lbs
D. 35-45 lbs
Answer: A
Rationale: Women with a normal BMI are generally advised to gain between 25 and 35
pounds during pregnancy for optimal fetal health.
7. Which of these is a characteristic of a ‘nutrient-dense’ food?
A. High in calories, low in weight
