12-05-2005, 03:39 AM
Which one of the following substances is secreted by malignant plasma cells in individuals with multiple myeloma and is the osteoclast-activating factor (OAF) that produces the characteristic lytic bone lesions?
A. Interleukin 1
B. Interleukin 6
C. Tumor necrosis factor
D. Transforming growth factor
E. Platelet-derived growth factor
A. Interleukin 1
B. Interleukin 6
C. Tumor necrosis factor
D. Transforming growth factor
E. Platelet-derived growth factor