Florida State Paramedic Practice Exam

Question: 1 / 480

Which hormone is secreted by the adrenal glands?

Cortisol

Epinephrine

The adrenal glands produce several hormones, and among them, epinephrine is one of the key hormones secreted. Epinephrine, also known as adrenaline, plays a crucial role in the body's "fight or flight" response by increasing heart rate, elevating blood pressure, and boosting energy supplies. It is produced in the adrenal medulla, the inner part of the adrenal glands, and is released in response to stress or perceived threats.

While cortisol, norepinephrine, and aldosterone are also produced by the adrenal glands, each has distinct functions and regulatory mechanisms. Cortisol, for example, is a glucocorticoid that helps regulate metabolism and the immune response, while norepinephrine acts mainly as a neurotransmitter and also supports the sympathetic nervous system's response to stress. Aldosterone is involved in regulating sodium and potassium levels and, consequently, blood pressure.

Understanding the specific functions of each hormone and their source is essential for comprehending the complex roles adrenal hormones play in maintaining homeostasis and responding to stress.

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Norepinephrine

Aldosterone

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