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: Pediatrics
[{'content': "A child with protein-energy malnutrition is brought to the outpatient depament. TRUE about Gomez classification of malnutrition of children is: \nSelect and explain. \nA. Weight is compared with height, B. Height is the only parameter, C. Weight is the only parameter, D. It doesn't take account of height and weight", 'role': 'user'}, {'content': "Answer: C \nExplanation: The degree of malnutrition is almost always based on the child's percentage of standard weight for age. The child's weight is compared to that of a normal child (50th percentile) of the same age. It is useful for population screening and public health evaluations. Percent of reference weight for age = ((patient weight)/(weight of normal child of same age)) x 100. According to Gomez classification, Classification Percentage of standard weight for age Normal Grade I (Mild malnutrition) Grade II (Moderate malnutrition) Grade III (Severe malnutrition) >90 75-89.9 60-74.9 <60 Ref: Achars Textbook Of Pediatrics (4Th Edn) By Swarna Rekha Bhat (ed.), Page 46 ; Essence of Paediatrics Prof. MR Khan, Page 72.", 'role': 'assistant'}]