Colorado Cosmetology Written Practice Exam

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Which gland produces oil that lubricates the skin and hair?

Adrenal gland
Parathyroid gland
Sebaceous gland
Thyroid gland

The correct answer is: Adrenal gland

The correct answer is the sebaceous gland. This gland is responsible for producing sebum, an oily substance that helps to lubricate and protect the skin and hair. Sebum plays a crucial role in maintaining skin health by preventing it from becoming dry and brittle. It also has antimicrobial properties, which can help protect the skin from bacteria and other harmful microorganisms. The adrenal gland produces hormones that help regulate metabolism, the immune system, blood pressure, and the response to stress, but not oil for the skin. The parathyroid gland primarily regulates calcium levels in the blood and does not have a role in oil production. The thyroid gland produces hormones that regulate metabolism but also does not produce oil for lubrication purposes.