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2924 Physiology

All are true about macula densa except

ASensor for glomerulotubular balance (Correct Answer)
BThe Na+ and Cl- enter the macula densa cells the Na-K-2Cl cotranspoer in their apical membranes
CIncreased formation and release of adenosine in macula densa cells
DCauses vasoconstriction of afferent aeriole