WGU D440 Nutrition OA Exam Prep Questions and Answers 2026 UPDATE
1. Which nutrient is primarily responsible for the repair and growth of body tissues?
A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
Answer: C
Rationale: Proteins consist of amino acids, which are the building blocks of body tissues
and are essential for growth and repair.
2. Which vitamin requires intrinsic factor for absorption in the small intestine?
A. Vitamin C
B. Vitamin K
C. Vitamin A
D. Vitamin B12
Answer: D
Rationale: Vitamin B12 must bind to intrinsic factor, a glycoprotein produced by the
stomach, to be absorbed in the ileum.
,3. The DASH diet is specifically designed to manage which of the following conditions?
A. Type 1 Diabetes
B. Hypertension
C. Celiac Disease
D. Osteoporosis
Answer: B
Rationale: The DASH (Dietary Approaches to Stop Hypertension) diet emphasizes fruits,
vegetables, and low-fat dairy to reduce sodium and lower blood pressure.
4. Which of the following is a symptom of Vitamin A deficiency?
A. Scurvy
B. Pellagra
C. Rickets
D. Night blindness
Answer: D
Rationale: Vitamin A is crucial for vision; its deficiency leads to xerophthalmia, starting
with night blindness.
5. What is the primary site for nutrient absorption in the human digestive system?
A. Stomach
, B. Small Intestine
C. Large Intestine
D. Esophagus
Answer: B
Rationale: The small intestine, specifically the duodenum, jejunum, and ileum, is where
most nutrient absorption occurs via villi and microvilli.
6. Which of the following fats is considered the most heart-healthy?
A. Saturated fats
B. Trans fats
C. Monounsaturated fats
D. Hydrogenated oils
Answer: C
Rationale: Monounsaturated fats, found in olive oil and avocados, help lower LDL
cholesterol levels compared to saturated and trans fats.
7. What is the recommended weight gain during pregnancy for a woman with a normal BMI?
A. 25-35 pounds
B. 11-20 pounds
C. 15-25 pounds
1. Which nutrient is primarily responsible for the repair and growth of body tissues?
A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
Answer: C
Rationale: Proteins consist of amino acids, which are the building blocks of body tissues
and are essential for growth and repair.
2. Which vitamin requires intrinsic factor for absorption in the small intestine?
A. Vitamin C
B. Vitamin K
C. Vitamin A
D. Vitamin B12
Answer: D
Rationale: Vitamin B12 must bind to intrinsic factor, a glycoprotein produced by the
stomach, to be absorbed in the ileum.
,3. The DASH diet is specifically designed to manage which of the following conditions?
A. Type 1 Diabetes
B. Hypertension
C. Celiac Disease
D. Osteoporosis
Answer: B
Rationale: The DASH (Dietary Approaches to Stop Hypertension) diet emphasizes fruits,
vegetables, and low-fat dairy to reduce sodium and lower blood pressure.
4. Which of the following is a symptom of Vitamin A deficiency?
A. Scurvy
B. Pellagra
C. Rickets
D. Night blindness
Answer: D
Rationale: Vitamin A is crucial for vision; its deficiency leads to xerophthalmia, starting
with night blindness.
5. What is the primary site for nutrient absorption in the human digestive system?
A. Stomach
, B. Small Intestine
C. Large Intestine
D. Esophagus
Answer: B
Rationale: The small intestine, specifically the duodenum, jejunum, and ileum, is where
most nutrient absorption occurs via villi and microvilli.
6. Which of the following fats is considered the most heart-healthy?
A. Saturated fats
B. Trans fats
C. Monounsaturated fats
D. Hydrogenated oils
Answer: C
Rationale: Monounsaturated fats, found in olive oil and avocados, help lower LDL
cholesterol levels compared to saturated and trans fats.
7. What is the recommended weight gain during pregnancy for a woman with a normal BMI?
A. 25-35 pounds
B. 11-20 pounds
C. 15-25 pounds
