Colorado Esthetician Written Practice Exam

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What happens in the stratum spinosum layer of the skin?

Cells divide and change shape
Cells provide immune support
Cells undergo mitosis
Cells sense touch

The correct answer is: Cells divide and change shape

In the stratum spinosum layer of the skin, cells primarily divide and change shape. This layer is known for its spiny appearance due to the cells having desmosomes that give it a prickly look under a microscope. The main function of the stratum spinosum is to allow for the regeneration of new skin cells through mitosis and to provide strength and flexibility to the skin. This layer is vital for the skin's barrier function, protecting the body from external threats and maintaining skin health.