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: Anatomy
[{'content': 'Microcephaly is seen in\nBeckwith hypoglycaemic syndrome\nFanconi syndrome\nDown syndrome\nAchondroplasia \nSelect and explain. \nA. I and iv, B. I and ii, C. ii and iii, D. ii and iv', 'role': 'user'}, {'content': "Answer: B \nExplanation: A condition in which a baby's head is significantly smaller than expected, often due to abnormal brain development. Causes of microcephaly include infections, malnutrition or exposure to toxins.\nSymptoms vary and include intellectual disability and speech delay. In severe cases, there may be seizures and abnormal muscle functionality.", 'role': 'assistant'}]