Maine Barber Practice Exam 2024 - Free Barber Practice Questions and Study Guide.

The appendages of the skin are nail, hair, sweat glands, and sebaceous glands. Out of all the choices given, A, B, and D are incorrect. Hair and sweat glands are considered as part of the appendages of the skin, but they are not the only ones. Sebaceous glands are also considered as part of the appendages of the skin, but they are not the correct answer in this question. Therefore, the correct answer must be C, which is nails. Nails are also part of the appendages of the skin, and they provide protection to the fingertips and enhance their sensitivity.