<prompt> All except one results in increased secretion of ReninRenal ischaemiaDecreased amount of Na in DCTDecreased amount of Na in PCTNarrowing of afferent arterioles  <response>: Renin release is stimulated byReduced Na in macula densa in distal tubule.Decreased GFR- Renal ischemia, afferent arteriolar constriction. 