Skin cells in the epidermis are replaced and supplied by the
1. stratum lucidum.
2. dermis basale.
3. melanocytes.
4. stratum basale.
Correct Answer: 4
Rationale 1: The stratum lucidum is the middle layer.
Rationale 2: This is not the layer that supplies new cells.
Rationale 3: Melanocytes provide pigment.
Rationale 4: The stratum basale is the deepest layer, and provides new skin cells.
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