This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine, Subject name: Pathology
Tumor lysis syndrome, all are true except: 
Select and explain. 
A. Hypocalcemia, B. Hyperuricemia, C. Hypophosphatemia, D. Hyperkalemia
C: Hypophosphatemia
Answer: C: Hypophosphatemia 
Explanation: Ans. C. HypophosphatemiaExplanationTumor lysis syndrome (TLS) is characterized by hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia and is caused by the destruction of a large number of rapidly proliferating neoplastic cells. Acidosis may also develop. Acute renal failure occurs frequently.