This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology Pa 1 (Protozoology), Subject name: Microbiology
[{'content': 'The characteristic tetrads in RBC occur in \nSelect and explain. \nA. Malaria, B. Babesiosis, C. Lyme disease, D. Plague', 'role': 'user'}, {'content': "Answer: B \nExplanation: Tetrad forms in RBC's which represent budding merozoites from the trophozoites in the red blood cells are called Maltese cross. These are seen in babesiosis or piroplasmosis Babesiosis is an emerging tick-borne infectious disease caused by protozoan parasites of the genus Babesia that invade and eventually lyse red blood cells (RBCs). fig:- maltese cross apperence seen in RBC (Babesiosis) In malaria diffent form of life cycle are seen according to infecton of species of malaria. Plague and Lyme disease not infect RBCs", 'role': 'assistant'}]