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: Social & Preventive Medicine
[{'content': 'Fatty acid characterstically present in breast milk and essential for baby growth – \nSelect and explain. \nA. Linoliec acid, B. Arachidonic acid, C. Palmitic acid, D. Docosahexaenoic acid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Up to 5-10% of fatty acids in human milk are polyunsaturated. Most of these are linoleic acid with smaller amounts of linolenic acid.\nLinoleic acid → gives rise to Arachidonic acid\nLinolenic acid → gives rise to Docosahexaenoic acid\nDocosahexaenoic acid is found in human milk and brain lipids and is required for the development of our nervous system and visual abilities during the first six months of life.\nLack of sufficient Docosahexaenoic acid may be associated with impaired mental and visual functioning as well as attention deficit hyperactivity disorder.', 'role': 'assistant'}]