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Finish the descriptions of the physiologic process: Decreased blood flow through the renal artery stimulates the...

Finish the descriptions of the physiologic process:

Decreased blood flow through the renal artery stimulates the release of renin into the blood. What happens next? Describe the process until it has influenced renal function.

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Answer #1

When there is fall in GFR due to decreased blood pressure,this decresed blood pressure causes decrease in blood flow to the kidney ,there is decrease in the renal perfusion this stimulus causes increased release of Renin from juxtaglomerular cells of kidney.Renin is a proteolytic enzyme.

The Renin converts the protein Angiotensin produced in the liver to angiotensin I.The angiotensin I is converted into angiotensin II by angiotensin converting enzyme present in the lungs.The angiotensinogen II has a direct vasconstriction effect which causes increase in blood pressure.

The increase in blood pressure causes increased flow of blood to the kidney through the renal artery.

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