Which of the following features activates the | vedclass

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(D) The juxtaglomerular $(JG)$ cells are specialized cells in the kidney that act as baroreceptors. They are activated by a decrease in Glomerular Blo

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$I, II$ and $III$

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(D) The juxtaglomerular $(JG)$ cells are specialized cells in the kidney that act as baroreceptors. They are activated by a decrease in Glomerular Blood Pressure $(GBP)$,a decrease in Glomerular Blood Flow $(GBF)$,or a decrease in the Glomerular Filtration Rate $(GFR)$. When these values fall,the $JG$ cells release the enzyme renin,which initiates the Renin-Angiotensin-Aldosterone System $(RAAS)$ to restore blood pressure and filtration rates. Therefore,all three conditions ($I, II,$ and $III$) lead to the activation of $JG$ cells.

Which of the following features activates the $JG$ cells?
$I.$ Fall in $GBP$
$II.$ Fall in $GBF$
$III.$ Fall in $GFR$
Choose the correct option.

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Which of the following features activates the $JG$ cells?$I.$ Fall in $GBP$$II.$ Fall in $GBF$$III.$ Fall in $GFR$Choose the correct option.