Regulation Of Kidney Function
A fall in GFR activates:
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About This Question
- Subject
- biology
- Chapter
- excretory products and their elimination
- Topic
- regulation of kidney function
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Juxtaglomerular cells to release renin
- JG Apparatus: This is a specialized sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole.
- Activation: A fall in Glomerular Filtration Rate (GFR) or blood pressure stimulates the Juxtaglomerular (JG) cells.
- Renin Secretion: These cells release renin into the blood.
- Signaling Cascade: Renin initiates the Renin-Angiotensin-Aldosterone System (RAAS) to restore GFR.
This medium difficulty biology question is from the chapter excretory products and their elimination, covering the topic of regulation of kidney function. It appeared in the 2025 exam.
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