Addison disease is best described as which of the following?

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Multiple Choice

Addison disease is best described as which of the following?

Addison disease is a primary adrenal insufficiency, meaning the adrenal glands themselves fail to produce sufficient adrenocortical hormones, especially cortisol and aldosterone. When the adrenals can’t make these hormones, you get fatigue, weight loss, low blood pressure, and electrolyte disturbances like hyponatremia and hyperkalemia. Autoimmune destruction is a common cause, but the key idea is that the problem starts in the adrenal glands, not from excessive signals elsewhere. This fits because overproduction of cortisol due to pituitary stimulation describes a state like Cushing’s, where cortisol is high, not low. Autoimmune destruction of pancreatic beta cells is the mechanism behind type 1 diabetes, which centers on insulin production, not adrenal hormone production. Insulin resistance leading to hyperglycemia points to type 2 diabetes. In Addison, the defining issue is the adrenal glands’ inability to make cortisol (and often aldosterone), not an external overproduction or a different organ disease.

Addison disease is a primary adrenal insufficiency, meaning the adrenal glands themselves fail to produce sufficient adrenocortical hormones, especially cortisol and aldosterone. When the adrenals can’t make these hormones, you get fatigue, weight loss, low blood pressure, and electrolyte disturbances like hyponatremia and hyperkalemia. Autoimmune destruction is a common cause, but the key idea is that the problem starts in the adrenal glands, not from excessive signals elsewhere.

This fits because overproduction of cortisol due to pituitary stimulation describes a state like Cushing’s, where cortisol is high, not low. Autoimmune destruction of pancreatic beta cells is the mechanism behind type 1 diabetes, which centers on insulin production, not adrenal hormone production. Insulin resistance leading to hyperglycemia points to type 2 diabetes. In Addison, the defining issue is the adrenal glands’ inability to make cortisol (and often aldosterone), not an external overproduction or a different organ disease.

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