Q:

What may correctly be said about baroreceptors?

waelhammad
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2022-10-18
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What may correctly be said about baroreceptors?

  1. They are located in the walls of the aortic arch and the inferior vena cava
  2. A drop in blood pressure triggers the baroreceptor reflex which causes vasodilation and an increased heart rate
  3. They promote vasoconstriction and an increased force of myocardial contraction in the hypotensive patient
  4. They respond directly to alterations in circulating oxygen levels
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waelhammad
2022-10-18
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C: Vasoconstriction and increased contractility promotes an increase in BP. Baroreceptors are located in the walls of the carotid sinus and aortic sinus, among other places. Choices B & D are wrong.

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