2025 SOCM Practice Test – Comprehensive Exam Preparation

Question: 1 / 400

What is the primary identifying feature of the subcutaneous layer of skin?

Contains hair follicles

Contains blood vessels

Contains adipose tissue

The primary identifying feature of the subcutaneous layer of skin is the presence of adipose tissue. This layer, also known as the hypodermis, serves as an insulating layer that helps to conserve body heat, provides cushioning to protect underlying structures, and serves as an energy reserve. Adipose tissue consists of fat cells that store energy and contribute to the overall structure and function of this layer.

While blood vessels, hair follicles, and nerve endings are present in the skin, they are primarily located in the epidermis and dermis, not in the subcutaneous layer. The presence of adipose tissue is what distinctly characterizes this layer, differentiating it from the other layers of the skin.

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Contains nerve endings

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