In the baroreceptor mechanism for BP regulation, a decrease in BP leads to impulses sent to the cardiac stimulatory center, increasing sympathetic output. What happens in sustained, untreated hypertension?

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Answer

Baroreceptors reset to a higher level, sustaining elevated BP.

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Parasympathetic output increases, causing vasodilation.

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Baroreceptors reset to a lower level, normalizing BP.

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Renin release is inhibited, reducing aldosterone.

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Cardiac output decreases independently of sympathetic activity.

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In the baroreceptor mechanism for BP regulation, a decrease in BP leads to impul...

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