This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemolytic anemia, Subject name: Pathology
A 12-year-old child with acute kidney injury after a bout of dysentery. Not seen is: 
Select and explain. 
A. M.A.H.A, B. Schistocytes, C. Normal serum haptoglobin, D. Thrombocytopenia
C: Normal serum haptoglobin
Answer: C: Normal serum haptoglobin 
Explanation: Ans. (c) Normal serum haptoglobin.