This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Medicine
[{'content': 'All are new markers for Acute Kidney Injury (AKI) except: \nSelect and explain. \nA. Plasma IL 18, B. Urinary IL 18, C. Plasma NGAL, D. Urinary NGAL', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Marker of AKI: Urinary 1) KIM- 1 - Kidney injury molecule-1 Plasma & Urinary 2) NGAL - Neutrophil gratinate associated lipocalin Urinary 3) IL - 18 | Tissue protected effected in proximal tubule', 'role': 'assistant'}]