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: Physiology
The decreased phosphate levels seen in hyper parathyroidism is due to: 
Select and explain. 
A. Decreased intestinal phosphate absorption, B. Increased calcium excretion, C. Decreased renal phosphate absorption, D. Increased loss of phosphate in urine
C: Decreased renal phosphate absorption
Answer: C: Decreased renal phosphate absorption 
Explanation: None