Renin is released from the kidney in all except________________?
Correct answer: B. Decrease in the concentration of sodium ions in the proximal tubules
- A. Sympathetic stimulation
- B. Decrease in the concentration of sodium ions in the proximal tubules
- C. Decrease in the concentration of sodium ions in the distal tubules
- D. Fall in the BP
Explanation
Renin release is stimulated by sympathetic activity, reduced renal perfusion pressure and reduced NaCl delivery to the macula densa in the distal tubule. A fall in sodium concentration in the proximal tubule is not the recognized direct trigger.
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