Certified Wound Ostomy Nurse (CWON) Practice Test

What structures are considered nail folds?

1. Soft tissue surrounding the nail plate

2. Hard tissue at the base of the toenail

3. Skin underlying the nail bed

4. Layer of keratinized cells around the nail

The correct answer is: Soft tissue surrounding the nail plate

The nail folds refer to the soft tissue structures that surround the nail plate. These folds play an important role in protecting the surrounding area, supporting the nail, and aiding in the regulation of moisture. Specifically, the proximal nail fold forms a barrier that prevents pathogens from entering the area and contributes to the overall health of the nail unit. Nail folds consist of the cuticle and lateral nail folds, which help anchor the nail and provide a protective covering. Understanding their anatomy is essential for recognizing conditions that affect nail health and for planning appropriate wound care interventions. The other options represent different aspects of the nail anatomy but do not pertain specifically to the nail folds. The hard tissue at the base of the toenail and the skin underlying the nail bed serve other structural functions, while the layer of keratinized cells around the nail pertains more to the nail’s protective qualities rather than defining the folds themselves.