Laser Technician (International Board of Electrologist Certification) IBEC Board Exam

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What is the term for the buildup of interstitial fluid between cells in the skin?

Inflammation
Edema
Dermatitis
Hyperemia

The correct answer is: Edema

The term for the buildup of interstitial fluid between cells in the skin is edema. Edema occurs when there is an accumulation of excess fluid in the tissues, often leading to swelling. This can happen due to various reasons, including inflammation, injury, or abnormalities in the circulatory system, which can increase the permeability of blood vessels and allow fluid to escape into the surrounding tissues. In contrast, inflammation refers to the body's response to injury or infection, characterized by redness, heat, swelling, and pain, but is a broader process that can involve many different changes in the tissue and does not specifically denote just fluid buildup. Dermatitis is a general term for skin inflammation and does not specifically refer to fluid accumulation between cells, while hyperemia refers to an increase in blood flow to a particular area, which is also distinct from fluid buildup. Therefore, edema is the most accurate term to describe the accumulation of interstitial fluid between cells.