Question

The layer of the skin that provides protection against bacteria, as well as chemical and mechanical injuries, is the

• A. Epidermis
• B. Dermis
• C. Sebum layer
• D. Subcutaneous layer

Answer 1

The correct option is A

Epidermis

As the outermost layer that we see and touch, the epidermis protects us from toxins, bacteria, fluid loss, chemical and mechanical injuries. It consists of 5 sub-layers of keratinocyte cells. These cells, produced in the innermost basal layer, migrate up towards the surface of the skin.