Certified Wound Ostomy Nurse (CWON) Practice Test

What are the two components of the dermis?

1. Papillary dermis and reticular dermis

2. Stratum corneum and stratum granulosum

3. Subcutaneous tissue and fascia

4. Epidermis and dermal appendages

The correct answer is: Papillary dermis and reticular dermis

The correct answer is the identification of the two components of the dermis, which are the papillary dermis and the reticular dermis. The dermis is the layer of skin located beneath the epidermis and is crucial for providing structural support and flexibility to the skin. The papillary dermis is the uppermost layer of the dermis and contains loose connective tissue, which consists of a network of thin collagen and elastin fibers. This layer also houses blood vessels, lymphatics, and nerve endings, contributing to the thermoregulation of the skin and sensation. Beneath the papillary dermis lies the reticular dermis, which is thicker and more densely packed with collagen fibers. This layer provides strength and resilience to the skin, supporting larger blood vessels, hair follicles, and glands (such as sebaceous and sweat glands). The distinct structure and composition of these two layers are essential for various skin functions, including sensation, thermoregulation, and the overall mechanical properties of the skin. The other options do not accurately represent components of the dermis. The stratum corneum and stratum granulosum are layers of the epidermis, while subcutaneous tissue and fascia refer to the layers below the dermis. Epid