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
Helmet cells are characteristic of anemia of 
Select and explain. 
A. Hemolytic uremic syndrome, B. Polysplenia, C. Spherocytosis, D. Acanthocytosis
A: Hemolytic uremic syndrome
Answer: A: Hemolytic uremic syndrome 
Explanation: None