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Multiple Choice
The most significant mineralocorticoid produced by the adrenal cortex is which of the following?
A
Aldosterone
B
Cortisol
C
Epinephrine
D
Norepinephrine
Verified step by step guidance
1
Understand the role of the adrenal cortex: The adrenal cortex is responsible for producing steroid hormones, including mineralocorticoids, glucocorticoids, and androgens.
Identify the function of mineralocorticoids: Mineralocorticoids are a class of steroid hormones that regulate electrolyte and water balance, primarily by affecting sodium and potassium levels in the kidneys.
Recognize the primary mineralocorticoid: Aldosterone is the most significant mineralocorticoid produced by the adrenal cortex. It plays a crucial role in maintaining blood pressure and fluid balance.
Differentiate between the options: Cortisol is a glucocorticoid involved in stress response and metabolism. Epinephrine and norepinephrine are catecholamines produced by the adrenal medulla, not the cortex, and are involved in the 'fight or flight' response.
Conclude with the correct answer: Based on the functions and origins of these hormones, Aldosterone is the correct answer as the most significant mineralocorticoid produced by the adrenal cortex.