<prompt> Hypercalcemia is caused by?Adrenocoical insufficiencyAmyloidosisHypehyroidismVitamin C Intoxication  <response>: Hypehyroidism can result in increased bone turnover though the mechanism is not elucidated. Causes of hypercalcemia associated with high bone turnover Hypehyroidism Vitamin A intoxication Thiazides Immobilization 