This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
The chemical nature of the amyloid deposited in immunocyte dyscrasias with amyloidosis is 
Select and explain. 
A. Serum amyloid A (SAA), B. Immunoglobulin light chain (AL amyloid), C. Prealbumin, D. Beta 2 microglobulin
B: Immunoglobulin light chain (AL amyloid)
Answer: B: Immunoglobulin light chain (AL amyloid) 
Explanation: None