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
[{'content': 'Feature of human hair are all EXCEPT: \nSelect and explain. \nA. Cuticular scales are sho and flattened, B. Medulla is continuous and wide., C. Coex is thick and medulla is one third of shaft diameter, D. Pigment in medulla is light and broken.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Differences b/w Human and Animal hair- Trait Human hair Animal hair General Fine & thin Coarse & thick Cuticle Scales sho, broad, flattened/ thin. Scales large, wavy projections/step-like projections. Coex Thick, 4-10 times as broad as medulla. Thin, rarely more than twice as broad as medulla Medulla Varies, narrow, continuous, fragmented or Absent. Medullary index <1/3 Continuous, wider. Medullary index > 1 / 2 Pigment Evently distributed. Present near the medullar. Precipitin test Specific for human Specific for animal.', 'role': 'assistant'}]