Renin secretion is stimulated by all except_____________?
Correct answer: D. High Na+ in proximal tubule
- A. Cardiac failure
- B. Low Na+ in proximal tubule
- C. Sympathetic stimulation
- D. High Na+ in proximal tubule
Explanation
Renin release increases with reduced renal perfusion, sympathetic stimulation and low NaCl delivery to the macula densa. High Na+ delivery has the opposite effect and suppresses renin secretion.
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