This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
Renal osteodystrophy is characterized by all EXCEPT:(247, 2259-H) (270-H17th)) 
Select and explain. 
A. | Calcium level, B. | Phosphorus level(l 007,1009,1012-CMDT- 09), C. | alkaline phosphatase, D. | Parathormone levels
C: | alkaline phosphatase
Answer: C: | alkaline phosphatase 
Explanation: (| alkaline phosphatase): Ref: 247, 2259-H, (270, 2694-H17th) 862-HM (1007, 1009, 1012-CMDT-09)Renal osteodystrophy is caused by secondary hyperparathyroidism during renal failureRenal osteodystrophy is more common in children than adults.Investigations: - Blood examination shows - Hypocalcemia, hyperphosphatemia, and raised levels of alkaline phosphatase and parathyroid hormone (463 - Ghai 6th)