This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Pathology
[{'content': 'Which of the following is a feature of Vit B12 deficiency anemia? \nSelect and explain. \nA. Hypersegmented neutrophils, B. Macro-ovalocytes, C. Megaloblastic anemia, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Clinical manifestations of Vitamin B12 deficiency: Haematological: Macro-ovalocytes, Hypersegmentation of neutrophils. Neurological: Demyelination in peripheral nerves and spinal cord B12 deficiency leads to megaloblastic anemia due to folate trap The peripheral smear given below shows hypersegmented neutrophil and macro-ovalocytes', 'role': 'assistant'}]