An elderly patient with chronic hypertension experiences increased arterial stiffness, reducing baroreceptor sensitivity. What happens to aldosterone secretion due to these changes?

💡 Explanation

Decreased baroreceptor sensitivity diminishes the inhibition of the renin-angiotensin-aldosterone system (RAAS) that normally occurs with adequate blood pressure; aldosterone secretion decreases because the reduced sensitivity leads to less angiotensin II stimulation, therefore aldosterone falls rather than rising to exacerbate hypertension.

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