Anatomy & Physiology Chapter 6 Quiz 1 Study Guide Know the following: 1. Epidermal water barrier: what it is and its location 2. Normal life span of a keratinocyte 3. The thickest epidermal layer of most skin 4. The 5 epidermal layers, relative thickness, and the cell types present in each. 5. Dander: 6. Identify layers on slide 3 in the C6 illustrations power-point 7. Identify cell types on slide 5 in the C6 illustrations power-point 8. Know epidermal layers, superficial to deep 9. Functions of epidermis 10. Functions and strata locations of each cell in the epidermis 11. General info on the integumentary system