Wound, Ostomy and Continence Nurses Society (WOCN) Practice Exam

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Prepare for the WOCN Exam. Utilize flashcards and multiple choice questions complete with hints and explanations. Suit up for acing your exam!

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What is the description of the lunula?

Crescent shaped area visible at base of nail plate
Layer of epithelium that interlocks with the nail plate
Soft tissue immediately adjacent to nail plate
Area underlying nail plate that supports its growth

The correct answer is: Crescent shaped area visible at base of nail plate

The description of the lunula as a crescent-shaped area visible at the base of the nail plate is accurate and reflects a key characteristic of this anatomical part. The lunula is the visible portion of the matrix, the tissue that produces the nail, and it appears as a white or pale crescent shape at the proximal end of the nail. This visible feature is important because it indicates the health of the nail and can sometimes provide insight into systemic conditions. Other descriptions provided do not accurately define the lunula. For example, a layer of epithelium that interlocks with the nail plate pertains more to the cuticle or eponychium, while soft tissue immediately adjacent to the nail plate refers to the hyponychium or the skin surrounding the nail. Additionally, the area underlying the nail plate that supports its growth describes the nail matrix or nail bed rather than the lunula itself. Understanding the unique role and appearance of the lunula enhances clinical assessments of nail health and identifies potential issues with nail growth.