<prompt> Mineralocorticoid acts on -PCTLoop ofhenleCollecting ductAll of the above  <response>: Ans. is C i.e., Collecting duct Hormones that regulate tubular reabsorption Hormone Site of Action Effects Aldosterone Distal tubule late, collecting tubule and duct Nacl. H2O reabsorption. K secretion. Angiotensin II Proximal tubule, thick ascending loop of Henledistal tubule, collecting tubule. Nacl. H2O reabsorption. H secretion. Antidiuretic hormone Distal tubulecollecting tubule and duct H2O reabsorption. Atrial natriuretic peptide Distal tubulecollecting tubule and duct Nacl reabsorption. Parathyroid hormone Proximal tubule, thick ascending loop of Henledistal tubule. PO4 reabsorption Ca reabsorption Note: Aldosterone is the major mineralo corticoid. 