Utah Esthetics Written State Practice Exam

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What hormone is secreted by the adrenal glands?

Thyroid hormone
Adrenaline
Insulin
Cortisol

The correct answer is: Adrenaline

The hormone that is secreted by the adrenal glands is adrenaline, also known as epinephrine. The adrenal glands, which are located on top of each kidney, play a critical role in the body's response to stress. When faced with a stressful situation, the adrenal glands release adrenaline into the bloodstream. This hormone triggers the "fight or flight" response, leading to a range of physiological changes such as increased heart rate, elevated blood pressure, and enhanced energy supplies. These effects prepare the body to respond quickly to perceived threats. While cortisol is also produced by the adrenal glands and is important for various functions, including regulating metabolism and the immune response, the question specifically asks about adrenaline as a primary hormone directly associated with the adrenal glands' immediate response to stress. Other hormones like insulin, which is secreted by the pancreas, and thyroid hormone, produced by the thyroid gland, are not relevant to this context.