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
Oliguric phase of renal failure, all are true,except - 
Select and explain. 
A. Hypercalcemia, B. Hyponatremia, C. Anaemia, D. Hyperkalemia
A: Hypercalcemia
Answer: A: Hypercalcemia 
Explanation: None