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': 'Thalassemia gives protection against- \nSelect and explain. \nA. Filaria, B. Kala-azar, C. Malaria, D. Leptospirosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ROBBINS BASIC PATHOLOGY . 9/eChapter red cells and bleeding disorders .pg number413. There will be decreased synthesis of alpha or beta chains of hb. The malarial pathogens cannot survive due to decreased oxygen. Option 3 is correct.', 'role': 'assistant'}]