The nurse knows the layer that delivers the blood supply to the dermis, provides insulation, and has a cushioning effect is:
a. stratum germinativum.
b. epidermis.
c. subcutaneous layer.
d. stratum corneum.
ANS: C
The subcutaneous layer delivers the blood supply to the dermis, provides insulation, and has a cushioning effect. The stratum germinativum constantly produces new cells that are pushed upward through the other layers of the epidermis toward the stratum corneum, where they flatten, die, and are eventually sloughed off and replaced by new cells. The epidermis is the outermost layer of the skin and the thinnest of the layers. The stratum corneum is made up of flattened dead cells.
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