<prompt> Which of the following is seen in osteoporosis:Low Ca, high PO4, high alkaline phosphataseLow Ca, low PO4, low alkaline phosphataseNormal Ca, normal PO4, normal alkaline phosphataseLow Ca, low PO4, normal alkaline phosphatase  <response>: Ans. is c i.e normal Ca, P04, Alkaline phosphatase , Harrison 16e, p 2272 14e, 2250 Laboratory findings in metabolic bone diseasesDiseaseSerum calciumSerum phosphorusAlkaline phosphataseParathormonei OsteoporosisNNNii Osteomalacia RicketsDecreaseDecreaseIncreaseN Increaseiii Prim.HyperparathyroidismIncreaseDecreaseN IncreaseIncreaseiv Pagets diseaseNNIncreaseNv Bone disease in renal failure with sec. Hyper parathyroidismN DecreaseIncreaseIncreaseIncreasevi Lytic bone neoplasm NN IncreaseN IncreaseN IncreaseN 