<prompt> Among the following, the best indicator for acute malnutrition in the under-fives isMidarm circumferenceHeadchest circumference ratioWeight for heightHeight for age  <response>: Wasting deficit in weight-for-height indicates a deficit in tissue and fat mass and may result either from failure to gain weight or from actual weight loss.It usually signifies acute onset malnutrition. Page 101,Ghai essential pediatrics 6th edition 