Renin secretion from the kidneys is triggered by all of the following except:

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Activation of the sympathetic nervous systemReduced sodium levels in the proximal tubuleLower sodium concentration in the distal tubuleA drop in blood pressureNone of the above

Explanation

Renin release is stimulated by sympathetic nervous system activation, decreased sodium in the distal tubules, and low blood pressure. However, a decrease in sodium concentration in the proximal tubules does not trigger renin secretion.