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debbiem debbiem
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10 years ago
/80 to 90/50.  Describe 3 compensatory mechanism triggered in response to this change in blood pressure.
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Staff Member
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10 years ago
The kidneys help to regulate the blood pressure by increasing (when blood pressure falls) or decreasing (when blood pressure rises) the blood volume, and also by the renin-angiotensin system.


  • Pressure Diuresis: As arteriolar blood pressure increases, so flow through the kidneys also increases and this increases filtration rate and urinary output.
  • Pressure Natriuresis: If renal perfusion pressure is increased then sodium excretion increases i.e. sodium excretion increases when blood pressure increases. If more sodium is excreted less water is reabsorbed therefore the ECF volume decreases and blood pressure decreases.
Mastering in Nutritional Biology
Tralalalala Slight Smile
wrote...
10 years ago
Also the heart will beat faster in an attempt to get heart to oxygen poor cells.
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