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: Pathology
[{'content': 'Low serum haptoglobin in hemolysis is masked by - \nSelect and explain. \nA. Pregnancy, B. Liver disease, C. Bile duct obstruction, D. Malnutriotion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Haptoglobin is an acute phase protein and its level increased in case of any inflammation. In hemolytic anemias there is fall in serum haptoglobin levels. If there is any inflammation along with it there will be rise in haptoglobin levels as it is an a/c phase protein (eg biliary obstruction causes inflammation) Ref:Postgraduate Hematology by Victor Hoffbrand pg 127 Ref Robbins 9/e pg 419', 'role': 'assistant'}]