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A decrease in blood pressure triggers a baroreceptor reflex that leads to increased ventilation. What is the advantage of this reflex?

Answer 1

It increases the available oxygen to the bloodstream.

Delivering oxygen to the cells is one of the main roles of the circulatory system; a drop in blood pressure results in less blood passing through the system, which lowers the quantity of oxygen that is delivered.

The respiratory system response aims to counteract the decrease in volumetric delivery rate by raising the amount of oxygen that can be adsorbed and carried by the bloodstream, thereby increasing the transported oxygen concentration.

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Answer 2

Aaron Allen

The advantage of this reflex is that increased ventilation helps to maintain adequate oxygenation of tissues, compensating for the decreased blood pressure by increasing oxygen delivery to cells.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.