<prompt> Best marker for chronic PEM is -Weight for ageHeight for ageWeight for HeightHead circumference  <response>: Ans. is b i.e., Height for age Assessment of PEM Weight for age Acute Height for age Chronic Weight for Height Acute on chronicAge dependent factors Weight Height Head circumference Chest circumferenceAge independent factor Mid arm circumference Kanawati index Me Larens index Quae stick Shakir tape Skin fold thickness Rao Singh Dugdale Jelleffs ration 