Utah Esthetician State Board Practice Exam

What is the function of dermal papillae?

1. Forming hair follicles

2. Anchoring the epidermis

3. Regulating blood flow

4. Facilitating nerve transmission

The correct answer is: Anchoring the epidermis

The function of dermal papillae primarily relates to their role in anchoring the epidermis to the dermis. Dermal papillae are small, nipple-like projections found at the boundary between the dermis and epidermis. They increase the surface area for the exchange of oxygen, nutrients, and waste products between the dermal and epidermal layers. This anchoring function is crucial for maintaining the integrity and structure of the skin, as it helps prevent the epidermis from separating from the underlying dermal layer. Additionally, dermal papillae contain capillaries that supply blood to the epidermis, contributing to its nourishment, but their primary responsibility is the connection between the two skin layers. Understanding this role is essential for estheticians, as it highlights the importance of skin health and the relationship between different skin layers in various treatments and services.