Questions: Which of the following is a hormone secreted by the adrenal medulla? Multiple Choice Epinephrine Glucocorticoid Mineralocorticoid Aldosterone

Which of the following is a hormone secreted by the adrenal medulla? Multiple Choice Epinephrine Glucocorticoid Mineralocorticoid Aldosterone
Transcript text: Which of the following is a hormone secreted by the adrenal medulla? Multiple Choice Epinephrine Glucocorticoid Mineralocorticoid Aldosterone
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Solution

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The answer is the first one: Epinephrine.

Explanation for each option:

  1. Epinephrine: This is correct. Epinephrine, also known as adrenaline, is a hormone secreted by the adrenal medulla. It plays a crucial role in the body's fight-or-flight response by increasing heart rate, muscle strength, blood pressure, and sugar metabolism.

  2. Glucocorticoid: This is incorrect. Glucocorticoids are a class of steroid hormones that are produced in the adrenal cortex, not the adrenal medulla. They are involved in the regulation of metabolism and immune response.

  3. Mineralocorticoid: This is incorrect. Mineralocorticoids, such as aldosterone, are also produced in the adrenal cortex. They help regulate sodium and potassium balance in the body.

  4. Aldosterone: This is incorrect. Aldosterone is a specific type of mineralocorticoid hormone produced by the adrenal cortex, not the adrenal medulla. It helps control blood pressure by managing the balance of sodium and potassium in the blood.

In summary, the hormone secreted by the adrenal medulla is epinephrine.

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