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NEET2020ZoologyExcretory Products and their EliminationActual

Select the correct statement:

Options

  1. AAtrial Natriuretic Factor increases the blood pressure.
  2. BAngiotensin II is a powerful vasodilator.
  3. CCounter current pattern of blood flow is not observed in vasa recta.
  4. DReduction in Glomerular Filtration Rate activates JG cells to release renin.

Correct answer

D. Reduction in Glomerular Filtration Rate activates JG cells to release renin.

Step-by-step solution

The juxtaglomerular cells ( JGC ) secretes an enzyme rennin in response to a variety of stimuli such as decreased flow of filtrate and NaCl to macula densa, decrease in glomerular filtration rate ( GFR ), decreased stretch of JGC , and increased frequency of nerve impulses in the renal sympathetic nerves. Atrial Natriuretic Factor ( ANF ) decreases blood pressure as it is a powerful vasodilator. Angiotensin II is a powerful vasoconstrictor. The counter-current mechanism involves the exchange of water and electrolyt

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