Washington Esthetician State Board Practice Exam

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What is the primary function of sebaceous glands in the skin?

Producing sweat
Producing oil
Regulating temperature
Filtering toxins

The correct answer is: Producing oil

The primary function of sebaceous glands in the skin is to produce oil, also known as sebum. Sebum plays a crucial role in maintaining the health and integrity of the skin and hair. It provides a natural barrier that helps to retain moisture, preventing dryness and keeping the skin hydrated. Additionally, the oil has antibacterial properties that can protect the skin from infections and irritations. The production of sebum is influenced by various factors, including hormones, age, and environmental conditions. Understanding the role of sebaceous glands highlights their importance in overall skin health, as they contribute to the skin's natural lubrication and protective functions. Other choices like producing sweat or regulating temperature are functions of different glands or systems in the body, such as sweat glands. These are not related to the primary function of sebaceous glands, which is distinctively focused on oil production.