This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All are impoant laboratory features of hemolytic anemia , EXCEPT: \nSelect and explain. \nA. Normal AST, B. Elevated urobilinogen in stool, C. Reduced haptoglobin, D. Macrocytes in blood smear', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The laboratory features of Hemolytic anemia: Increase in unconjugated bilirubin and aspaate transaminase (AST) Urobilinogen increased in both urine and stool. Hemoglobinuria (often associated with hemosiderinuria) in intravascular hemolysis Lactate dehydrogenase (LDH) is increased Increase in reticulocytes Increased mean corpuscular volume (MCV) On the blood smear-presence of macrocytes Haptoglobin is reduced. ( Please NOTE) Ref: Harrison, E-18,P-872.', 'role': 'assistant'}]