Colorado Esthetician Written Practice Exam

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What type of tissue composes the subcutaneous layer?

Collagen and elastin
Loose connective tissue (adipose tissue)
Keratinized tissue
Basal cells

The correct answer is: Loose connective tissue (adipose tissue)

The subcutaneous layer, also known as the hypodermis, is primarily composed of loose connective tissue, specifically adipose tissue. This layer serves important functions such as insulation, cushioning, and energy storage. Collagen and elastin are more commonly found in the dermis, providing strength and elasticity to the skin. Keratinized tissue refers to the outer layers of the epidermis, mainly consisting of keratinocytes. Basal cells, on the other hand, are found in the basal layer of the epidermis and are responsible for skin cell regeneration.