This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Anatomy
Which of the following is the least common presentation of multiple myeloma? 
Select and explain. 
A. Anemia, B. Hyperviscocity, C. Bone pains, D. Infection
B: Hyperviscocity
Answer: B: Hyperviscocity 
Explanation: Bone pain is seen in 70 perceny patients. Infections is the next common( 75 percent have serious infection at some time in their course) Normocytic normochromic anemia is seen in 80 percent patients. ( ref Robbins 8th /610-610)