This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
The best indicator of acute malnutrition is 
Select and explain. 
A. Weight for height, B. Weight for age, C. Height for age, D. BMI <2SD
A: Weight for height
Answer: A: Weight for height 
Explanation: Severe acute malnutrition is defined by a very low weight for height (below-3z scores of the median WHO growth standards), by visible severe wasting, or by the presence of nutritional edema.(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 301)