Certified Medical Assistant Practice Exam

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Which of the following is NOT a function of the skin?

Protection
Temperature regulation
Sensation
Transportation of immune cells

The correct answer is: Transportation of immune cells

The correct response identifies that the transportation of immune cells is not a primary function of the skin. While the skin is a critical barrier that serves several important roles, such as protection against pathogens, regulating body temperature through sweat glands and blood vessel dilation, and sensation via nerve endings, its role in the transportation of immune cells is not direct. Immune cells reside within the skin, particularly in the dermis and the epidermis, where they help in the immune response. However, the skin itself does not function as a transport system for these cells in the same manner that blood and lymphatic systems do. The primary functions of the skin are more focused on external protection, maintaining homeostasis, and sensory perception. Thus, the choice regarding transportation of immune cells does not align with the core functions attributed to the skin.