This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Food Security, and Health, Subject name: Pediatrics
[{'content': 'Chronic malnutrition diagnosis is based upon? \nSelect and explain. \nA. Decreased weight for age, B. MAC<11.5cm, C. <3.5 gm% serum protein, D. Decreased height for age', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Decreased height for ageRef: Nelson 18th ed., Chapter 14* Height for age is used for chronic malnutrition which leads to Stunting. The term "stunting" is used to describe a condition in which children fail to gain sufficient height, given their age.* In acute malnutrition the best parameter used is weight for height.', 'role': 'assistant'}]