What is the role of renin in regulation of glomerular filtration rate (GFR)?

What is the role of renin in regulation of glomerular filtration rate (GFR)?
  1. It increases the glomerular blood flow
  2. It decreases the glomerular blood flow
  3. It stimulates the GFR back to normal
  4. It reduces the GFR to normal

Solution

Renin released by JGA in response to a fall in GFR stimulates the glomerular blood flow, and therefore, the GFR back to normal.

Asked in: NCERT

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