<prompt> Which of the following is the least common presentation of multiple myeloma?AnemiaHyperviscocityBone painsInfection  <response>: 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 