Cancer and Oncology Q 166

---

Which of the following substances has abnormal values early in the course of multiple myeloma (MM)?

  

    A. Red blood cells

    B. Immunoglobulins

    C. White blood cells

    D. Platelets

    

    

Correct Answer: B. Immunoglobulins

---

Option B: MM is characterized by malignant plasma cells that produce an increased amount of immunoglobulin that isn’t functional.

---

Option A: As more malignant plasma cells are produced, there’s less space in the bone marrow for RBC production.

Options C and D: In the late stage of the disease, platelets and WBC’s are reduced as the bone marrow is infiltrated by malignant plasma cells.

---