The Following Plasma and Urine Electrophoresis Results Were Obtained from a 70-Year-Old

Multiple Choice

The following plasma and urine electrophoresis results were obtained from a 70-year-old man who complained to his doctor of back pain that he had had for several months and of feeling generally unwell. This patient most likely has:

A) Bence Jones protein.
B) Hypergammaglobulinemia.
C) Waldenström macroglobulinemia.
D) Agammaglobulinemia.
E) High levels of immunoglobulin M (IgM) .