<prompt> A patient presented with following serum parameters: Normal serum ALP, normal PTH level and increased Ca and PO4. Most likely cause:Vitamin D increaseHyperparathyroidismOsteoporosisOsteomalacia  <response>: Bio-Chemical Changes Osteoporosis Osteomalacia Hyperparathyroidism Calcium Normal Normal Increased Phosphate Normal Low phosphateuria ALP Normal - PTH - - Hyper toxicity of Vit-d: Ca Phosphate levels 