The part of this image labeled "A" is the:

Quality _______ is the process by which quality of care is measured at some point in time.

Fill in the blank(s) with the appropriate word(s).

Melanin, which helps protect underlying layers of skin from UV radiation, is deposited throughout the ________.

A. epidermis B. subcutaneous layer C. hypodermis D. dermis E. arrector pili