Colorado Cosmetology Written Practice Exam

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What forms over a wound or blemish?

Crust
Fissure
Papule
Subcutaneous tissue

The correct answer is: Crust

The correct answer is that a crust forms over a wound or blemish. A crust is a protective covering that develops as a result of the healing process. When a skin injury occurs, such as a cut, scrape, or pimple, the body responds by producing a scab or crust, which consists mainly of dried blood, serum, and pus. This crust serves to protect the underlying tissues while they heal, preventing pathogens from entering and assisting the body's natural recovery mechanisms. The other terms do not specifically refer to the protective layer that forms after a wound. A fissure typically refers to a narrow opening or crack in the skin, a papule is a small, raised bump on the skin, and subcutaneous tissue refers to the layer of tissue underneath the skin, which does not specifically relate to wound healing in the same way a crust does.