ASSESSMENT (OA) – WESTERN GOVERNORS
UNIVERSITY – COMPLETE PRACTICE EXAM
WITH ANSWERS AND CLINICAL NUTRITION
QUESTIONS A+ VERIFIED LATEST VERSION
WGU D440 Nutrition – Objective Assessment (OA) Practice Exam
Section 1: Multiple Choice Questions
1. Which macronutrient provides the body with the most concentrated source
of energy?
A. Protein
B. Carbohydrates
C. Fat
D. Water
Answer: C. Fat
Explanation: Fat provides 9 calories per gram, while carbohydrates and protein provide 4
calories per gram.
2. A patient receiving nutrition through a nasogastric tube is receiving which
type of nutrition support?
A. Parenteral nutrition
B. Enteral nutrition
C. Oral supplementation
D. Therapeutic fasting
Answer: B. Enteral nutrition
Explanation: Enteral nutrition delivers nutrients directly into the gastrointestinal tract
through a feeding tube.
3. Which vitamin deficiency is associated with night blindness?
A. Vitamin C
B. Vitamin D
, C. Vitamin A
D. Vitamin K
Answer: C. Vitamin A
Explanation: Vitamin A deficiency affects vision, particularly night vision.
4. Which diet is most appropriate for a patient with hypertension?
A. High-sodium diet
B. DASH diet
C. Ketogenic diet
D. Clear liquid diet
Answer: B. DASH diet
Explanation: The DASH diet helps lower blood pressure by emphasizing fruits, vegetables,
and low-sodium foods.
5. Which nutrient is primarily responsible for tissue repair and muscle
maintenance?
A. Fat
B. Carbohydrates
C. Protein
D. Fiber
Answer: C. Protein
Explanation: Protein is essential for growth, repair, and maintenance of body tissues.
6. What is the major function of carbohydrates in the body?
A. Hormone production
B. Primary energy source
C. Bone strengthening
D. Blood clotting
Answer: B. Primary energy source
Explanation: Carbohydrates are the body’s preferred energy source.