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
Eosin - 5 - malate binding is for 
Select and explain. 
A. Hereditary spherocytosis, B. Paroxysmal nocturnal hemoglobinuria, C. Non - Hodgkin Lymphoma, D. Thalassemia
A: Hereditary spherocytosis
Answer: A: Hereditary spherocytosis 
Explanation: EMA test is positive for hereditary spherocytosis and hereditary elliptocytosis.