This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification of Dead and Mass Disaster, Subject name: Forensic Medicine
[{'content': 'Cephalic index is used for - \nSelect and explain. \nA. Race, B. Age, C. Sex, D. Caste', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Race o Cephalic index, height index & nasal index are used for determination of race,o Cephalic index = maximum breadth of skull' maximum length of skull x 100Type of skullCephalic indexRace1) Dolico-cephalic70-75Pure Aryans, aborigines & negros2) Maesati-cephalic75-80Europeans & Chinese3) Brachy-cephaiic80-85Mongolian", 'role': 'assistant'}]