<prompt> All of the following are true about Oliguric ARFAnemiaMetabolic AcidosisUremiaHypercalcemia  <response>: Answer is D Hypercalcemia: Oliguric ARF is associated with hypocalcemia and not hypercalcemia. Hypocalcemia is caused by metastatic deposition of calcium phosphate, tissue resistance to PTH and reduced levels of active vitamin D. 