1. Which epidermal cell type functions in the immune system? (a) keratinocyte, (b) melanocyte, (c) dendritic cell, (d) tactile epithelial cell. 2. The ability of the epidermis to resist rubbing and...

1. Which epidermal cell type functions in the immune system? (a) keratinocyte, (b) melanocyte, (c) dendritic cell, (d) tactile epithelial cell.

2. The ability of the epidermis to resist rubbing and abrasion is largely due to the presence of (a) melanin, (b) carotene, (c) collagen, (d) keratin.

3. Skin color is determined by (a) melanin, (b) carotene, (c) oxygenation level of the blood, (d) all of these.