This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
[{'content': 'Hyperphosphatemia is seen in \nSelect and explain. \nA. CRF, B. Rickets, C. Prolonged phosphate intake, D. Osteitis fibrosa cystica', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hyperphosphatemia in chronic kidney disease (CKD) patients is a potentially life altering condition that can lead to cardiovascular calcification, metabolic bone disease (renal osteodystrophy) and the development of secondary hyperparathyroidism (SHPT). Ref Davidson 23rd edition pg 344', 'role': 'assistant'}]