<prompt> Low calcium and high phosphate is seen in -HyperparathyroidismHypoparathyroidismHypehyroidismHypothyroidism  <response>: Ans is option 2 Hypoparathyroidism In hypoparathyroidism there is decreased PTH which leads to decreased activation of osteoclasts in bone which leads to decreased Ca In kidney Decreased PTH leads to decreased Ca reabsorption and increased reabsorption of phosphate Which leads to low Ca level and high phosphate level Ref Harrison 17e p2391 