This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'Which of the following is NOT a cause for polyuria? \nSelect and explain. \nA. Excess fluid intake, B. Hyperglycemia, C. Hypokalemia, D. Hypocalcaemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Polyuria results from two potential mechanism:\n\nExcretion of nonabsorbable solutes (such as glucose).\nExcretion of water (usually from defect in ADH production or renal responsiveness).\n\nThe functional effects of hypokalemia on the kidney can include Na+-Cl- and HCO3- retention, polyuria, phosphaturia, hypocitraturia, and an activation of renal ammoniagenesis.\nHypercalcemia\xa0 can\xa0 also\xa0 cause\xa0 polyuria\xa0 and\xa0 nephrogenic DI. Hypercalcemia decreases renal concentrating ability, which may cause polyuria and polydipsia.\nHyperglycemia and frequent urinary intake are other causes of polyuria.\nRef: Harrisson’s Internal Medicine Ed 19th Pg 294', 'role': 'assistant'}]