This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal Regulation of Minerals, Subject name: Physiology
[{'content': 'Mineralocorticoid acts on - \nSelect and explain. \nA. PCT, B. Loop ofhenle, C. Collecting duct, D. All of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: 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 Henle/distal tubule, collecting tubule. | Nacl. H2O reabsorption. | H+ secretion. Antidiuretic hormone Distal tubule/collecting tubule and duct | H2O reabsorption. Atrial natriuretic peptide Distal tubule/collecting tubule and duct | Nacl reabsorption. Parathyroid hormone Proximal tubule, thick ascending loop of Henle/distal tubule. | PO4 reabsorption | Ca++ reabsorption Note: Aldosterone is the major mineralo corticoid.", 'role': 'assistant'}]