What is the role played by the renin-angioten | vedclass

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(B) fall in $GFR$ (Glomerular Filtration Rate) activates the $JG$ (Juxtaglomerular) cells to release the enzyme renin.Renin converts angiotensinogen i

Vedclass · Accepted Answer

It activates $JG$ cells to release renin,which increases $GFR$ and stimulates aldosterone secretion.

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(B) fall in $GFR$ (Glomerular Filtration Rate) activates the $JG$ (Juxtaglomerular) cells to release the enzyme renin.Renin converts angiotensinogen in the blood to angiotensin-$I$,which is further converted into angiotensin-$II$.Angiotensin-$II$ acts as a powerful vasoconstrictor,which increases the glomerular blood pressure and thereby increases the $GFR$.Additionally,angiotensin-$II$ stimulates the adrenal cortex to release aldosterone,which promotes the reabsorption of $Na^+$ and water from the $DCT$ (Distal Convoluted Tubule),leading to an increase in blood volume and blood pressure.

What is the role played by the renin-angiotensin mechanism in the regulation of kidney function?

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