Oklahoma Barber Practice Exam

The other options are incorrect because the epidermis is the outermost layer of the skin and is primarily made up of specialized cells called keratinocytes. These cells are responsible for producing a protein called keratin, which helps to protect the skin from damage and dehydration. The epidermis does not contain any blood vessels or adipose tissue, and while it does have some nerve endings, they are much smaller and more limited in number compared to those found in the dermis (the layer beneath the epidermis). These nerve endings are responsible for sensations such as touch, pain, and temperature. Therefore, option B is the only correct answer as it accurately describes a component found within the epidermis.