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 ARF is characterized by A/E 
Select and explain. 
A. Chest pain, B. Acidosis, C. Hypeension, D. Hypokalemia
D: Hypokalemia
Answer: D: Hypokalemia 
Explanation: Ans. is 'd' i.e., Hypokalemia