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Which of the following does not favour the formation of large quantities of dilute urine?
A
Alcohol
B
Caffeine
C
Renin
D
Atrial-natriuretic factor
Detailed Solution
Renin from the juxtaglomerular apparatus converts angiotensinogen to angiotensin I, which is converted to angiotensin II.
This increases reabsorption of $Na^+$ and water, raising blood pressure and producing concentrated urine — not dilute urine.
This increases reabsorption of $Na^+$ and water, raising blood pressure and producing concentrated urine — not dilute urine.