This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'Best marker for chronic Protein-energy malnutrition is \nSelect and explain. \nA. Weight for age, B. Height for age, C. Weight for Height, D. Head circumference', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Stunting (deficit in height for age) signifies accumulated consequences of retarded growth over some years and generally points towards a chronic course of malnutrition. It may be a residue of past malnutrition or could be due to non-nutritional disorders like genetic sho stature or endocrinal disorders. Ref: Page 101, Ghai essential pediatrics; 6th edition', 'role': 'assistant'}]