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: Pediatrics
[{'content': 'True about head circumference measurement - \nSelect and explain. \nA. Measured in supra-orbital ridge, B. Measured hydrocephalus/microcephaly, C. Serial measurement is useful, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is All Options 'a' o Head circumference is measured from the occipital protuberance to the supraorbital ridge on the forehead. Option `b' o If the head circumference growth exceeds 1 cm in 2 weeks during the first 3 months, hydrocephalus should be suspected. o In microcephally head circumference is two standard detion below the mean for age and sex. Option `c o Head circumference measurements that progressively drop to lower percentiles with increasing age are indicative of a process or condition that has impaired the brain's capacity to grow. o So, serial measurement helps to assess neurological development and pediatric intelligence.", 'role': 'assistant'}]