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': 'Which of the following parameter is common to both acute and chronic malnutrition? \nSelect and explain. \nA. Weight for age, B. Weight for height, C. Height for age, D. BMI', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Low weight for age is an indicator of both acute and chronic malnutrition. Low height for age is a physical indicator of chronic or long term malnutrition. Low weight for height is an indicator of acute malnutrition. Waterlow criteria for classification of malnutrition: Weight for height: Actual weight/ 50th percentile weight for height X 100 Height for age: Actual height/ 50th percentile height for age X 100 Category Acute malnutrition (weight for height) Chronic malnutrition (height for age) Normal > 90 > 95 Mild 80 - 90 90 - 95 Moderate 70 - 80 85 - 90 Severe < 70 < 85 Ref: Disease Control Priorities in Developing Countries edited by Dean T. Jamison, page 1093. Growth and Development by Dilip K Mukherjee page 20. Comprehensive Pediatric Hospital Medicine edited by Lisa B. Zaoutis page 634.', 'role': 'assistant'}]