Esthetics Core Written Practice Test

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Prepare for the Esthetics Core Written Test with multiple choice questions and detailed explanations. Test your knowledge on essential esthetics topics and ace your exam!

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What is NOT one of the six primary functions of the skin?

Sensation
Absorption
Coloration
Protection

The correct answer is: Coloration

The correct answer is that coloration is not considered one of the six primary functions of the skin. The primary functions of the skin include sensation, where the skin contains nerve endings that detect touch, pressure, pain, and temperature; protection, which serves as a barrier against environmental factors such as pathogens and physical injuries; regulation, which involves maintaining body temperature and moisture; secretion, which includes the production of sweat and oil; and absorption, where certain substances can be absorbed through the skin. Coloration, while a characteristic of the skin that can affect appearance, is not classified as a primary function. Instead, skin color is a result of pigmentation primarily due to melanin, among other factors, but it does not play a direct role in providing the essential functions for which the skin is responsible.