WGU D440 NURS 2001 Health & Wellness OA READINESS EXAM GUIDE Q & S 2025/2026

1. Multiple Choice: Which vitamin is most critical for calcium
absorption and bone health?
 a) Vitamin A
 b) Vitamin C
 c) Vitamin D
 d) Vitamin E
 Correct Answer: c) Vitamin D
 Rationale: Vitamin D is essential for calcium absorption in
the gut and maintains adequate serum calcium and
phosphate concentrations to enable normal bone
mineralization.
2. Fill-in-the-Blank: ________ is the process by which the
body converts food into energy.
 Correct Answer: Metabolism
 Rationale: Metabolism refers to the biochemical
processes that occur within a living organism to maintain
life, including the conversion of food to energy.
3. True/False: Omega-3 fatty acids can only be obtained
through diet and supplements.
 Correct Answer: True
 Rationale: Omega-3 fatty acids are essential fats that the
body cannot produce on its own, thus they must be
obtained through diet or supplements.
4. Multiple Response: Select all the macronutrients that
provide energy:
 a) Vitamins
 b) Minerals