Indiana PSI Nail Technician Practice Test 2025 - Free Nail Technician Practice Questions and Exam Preparation

The correct choice is the matrix, as it is the area at the base of the nail responsible for nail growth. If UV gel comes into contact with the matrix, it may lead to improper nail growth or damage to the underlying tissue. Nail technicians are trained to apply products in a way that protects the integrity of the matrix, ensuring healthy nail growth and minimizing the risk of infection or irritation.

Other areas, like the cuticle, sidewalls, and eponychium, are also crucial to be mindful of during application. However, it is common practice to apply products carefully along the cuticle and eponychium area as long as the products do not remain in contact with the skin for too long, as this can lead to lifting or irritation. The sidewalls, while needing careful application as well, do not have the same risk of affecting nail growth as the matrix does. Thus, contact is typically avoided with the matrix to ensure the overall health and growth of the nail is maintained.