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: Microbiology
[{'content': 'True about peripheral blood smear of plasmodium vivax? \nSelect and explain. \nA. Single ring with cytoplasm condensed around in each erythrocyte, B. Mature /old erythrocytes affected, C. Parasitized erythrocytes of same size as normal erythrocytes, D. Only ring and gametocytes are seen', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e.,Single ring with cytoplasm condensed around in each erythrocyte", 'role': 'assistant'}]