Which of the following combination is true about hormone and its site of action in renal tubules?: (A) Aldosterone in collecting ducts, (B) Angiotensin in distal tubule, (C) ANP in loop of Henle, (D) ADH in proximal tubule
Answer is A. Ans. A Aldosterone in collecting ductsRef: Guyton, 10th ed. pg. 290, 304Hormones and their site of ActionHormonesSite of action in kidneyAngiotensin IIConstricts afferent arterioles, helps to reduce GFRAldosteroneCortical collecting duct & distal tubulesADHMedullary collecting ductANPCollecting duct