A nurse is reviewing laboratory findings for a client admitted with multiple myeloma. The nurse should expect to see an increase in which of the Following laboratory tests?

A. WBCs are often normal or decreased in multiple myeloma due to bone marrow infiltration; an increase is not typical. B. Absolute neutrophil count may be decreased because the bone marrow is affected by malignant plasma cells. C. Calcium is often elevated (hypercalcemia) in multiple myeloma due to bone destruction caused by malignant plasma cells, making this the expected finding. D. Platelets are commonly decreased in multiple myeloma due to marrow infiltration and impaired platelet production.