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: Forensic Medicine
Fragmented medullary hair are found in 
Select and explain. 
A. Negros, B. Mongols, C. Caucasians, D. Europeans
A: Negros
Answer: A: Negros 
Explanation: A i.e. Negro - Anteroposterior diameter (i.e. length) of skull is minimum in Brachycephaly4 (sho headed) and maximum in DolicocephalyQ. - The skull of Aryan's (Indians), Arborigines & Negroes is dolico-cephalic, with cephalic index between 70 - 75Q. Radio humeral index is80 in blacks. Tibio femoral index is83 in Blacks. - Cephalic Index, Height Index & Nasal Index are used for determination of raceQ - Mongols have maximum cephalic index ( 80) & height index (75) with rounded nasal openings, orbits & palateQ