WOCNCB CFCN Domain II: Prevention, Intervention, and Treatment Comprehensive PreAssessment Guide Q & S 2026 Complete And Study material 26pages LEARNEXAMS

1. What is the primary function of the stratum corneum in the integumentary system? A) To provide insulation B) To prevent water loss C) To produce vitamin D D) To sense pain Answer: B) To prevent water loss Rationale: The stratum corneum is the outermost layer of the skin, which acts as a barrier to prevent transepidermal water loss. 2. Which of the following is a common sign of a venous skin ulcer? A) Sharp, well-defined edges B) Located on the lateral ankle C) Heavy exudate D) Painful to the touch Answer: C) Heavy exudate Rationale: Venous u