<prompt> Which of the following is associated with elevated alkaline phosphate, low calcium with low phosphate?Pagets diseaseOsteoporosisPrimary hyperparathyroidismVitamin D deficiency  <response>: Option A - Pagets disease: Normal Ca, Normal PO4, SAP Option B - Osteoporosis: Normal Ca, Normal PO4, SAP normal Option C - Primary Hyperparathyroidism Ca, PO4, SAP , Bone turnover Option D - Vitamin D deficiency: Calcium , PTH , PO4 , SAP Note: Ca is inversely propoional to PO4 