WGU D440 NUTRITION OBJECTIVE ASSESSMENT 2026 | VERIFIED PRACTICE QUESTIONS & RATIONALES

WGU D440 NUTRITION OBJECTIVE ASSESSMENT
LATEST 2026 EXAM PREPARATION | WGU D440 OA
VERIFIED PRACTICE TEST | COMPLETE NUTRITION
STUDY GUIDE WITH VERIFIED 300+ QUESTIONS &
DETAILED RATIONALES | MACRONUTRIENTS,
MICRONUTRIENTS, METABOLISM, DIETARY
GUIDELINES, LIFESPAN NUTRITION & DISEASE
PREVENTION
Question 1:

Which macronutrient is primarily responsible for energy production in the body?

A) Fiber
B) Carbohydrates

C) Protein
D) Fats

CORRECT OPTION: B) Carbohydrates
RATIONALE: Carbohydrates are the body's preferred source of energy, particularly for high-
intensity activity.



Question 2:

Which of the following vitamins is fat-soluble?

A) Vitamin C
B) Vitamin B6

C) Vitamin B12

D) Vitamin A

CORRECT OPTION: D) Vitamin A
RATIONALE: Fat-soluble vitamins, including Vitamins A, D, E, and K, are stored in body fat
and are absorbed along with dietary fat.



Question 3:
What is the primary role of protein in the body?

, A) Growth and repair of tissues

B) Energy production

C) Hormonal regulation

D) Nutrient absorption

CORRECT OPTION: A) Growth and repair of tissues
RATIONALE: Protein is essential for building and repairing tissues, as well as making
enzymes and hormones.



Question 4:

Which dietary guideline is recommended for maintaining heart health?

A) Increase saturated fat intake

B) Limit added sugars
C) Decrease physical activity

D) Increase sodium intake

CORRECT OPTION: B) Limit added sugars
RATIONALE: Reducing added sugars helps lower the risk of heart disease and other health
issues.



Question 5:

Which nutrient is most likely to be deficient in a vegan diet?
A) Vitamin C

B) Vitamin B12

C) Dietary fiber

D) Antioxidants

CORRECT OPTION: B) Vitamin B12
RATIONALE: Vitamin B12 is primarily found in animal products, making it a common
deficiency in vegan diets.
Question 6: