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: Radiology
Which of the following indicates radiograph contrast induced nephropathy? 
Select and explain. 
A. Increased creatinine levels, B. Decreased urine output, C. Increased bilirubin, D. Decreased bilirubin
A: Increased creatinine levels
Answer: A: Increased creatinine levels 
Explanation: Ans.Increased creatinine levels