t1/2 of haptoglobin complex is:: (A) 5 days, (B) 3 days, (C) 10 days, (D) 10 minutes
Answer is D. - Half life of free Haptoglobin - 5 days. - Half life of Haptoglobin hemoglobin complex is 10-15 minutes. - In hemolytic anemias, excess Hb released from RBC destruction is bound to Haptoglobin & its complex is cleared rapidly, resulting in decreased serum/free Haptoglobin levels