This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Hyper viscosity is seen in 
Select and explain. 
A. Cryoglobulinemia, B. Multiple myeloma, C. MGUS, D. Lymphoma
A: Cryoglobulinemia
Answer: A: Cryoglobulinemia 
Explanation: Ref William hematology 6/e p1268 The term cryoglobulinemia refers to the presence in the serum of proteins that precipitate at temperatures below 37 degrees C and redissolve on rewarming. ... The elective treatment for hyperviscosity syndrome, whether associated with monoclonal, mixed, or polyclonalcryoglobulinemia, is plasma exchange.