<prompt> In Kwashiorkor, the letter K is post-fixed to denoteWeight for heightSkin changesEdemaMuscle wasting  <response>: Ans. c Edema Ref. OP Ghai Pediatrics 6th ed., 101CLASSIFICATION OF MALNUTRITIONI. Clinical Classification1. Marasmus2. Kwashiorkor3. Nutritional Dwarfa PK- Pre Kwashiorkorb SBK - Sugar Body Kwashiorkorc MK - Marasmic KwashiorkorII. Gomez Classification Grade I - 90-75 of expected weight Grade II - 75-60 of expected weight Grade III - Less than 60 of expected weight.III. Indian Academy of Pediatrics TAP ClassificationIndian Academy of Pediatrics IAP classification of PEM based on weight for ageWeight 80 of expected for ageNormalWeight between 71-80 of expected for ageGrade 1 PEMWeight between 61-70 of expected for ageGrade II PEMWeight between 51-60 of expected for ageGrade III PEMWeight between 50 of expected for ageGrade IV PEMNote: Alphabet K is postfixed in presence of edema.QE.g. : a male child weighing 8 kg at 2 years of age with pedal edema 50th percentile for 2 years is 12.3 kg is classified as PEM Grade II K as per IAP classification.IV. Jelliffes ClassificationGrade I- 90-80 of expected weightGrade II-80-70 of expected weightGrade III- 70-60 of expected weightGrade IV- 60-50 of expected weightSimilar to IAP ClassificationV Wellcome Classification Weight between 60-80 of the expected weight with Edema - Kwashiorkor. Weight below 60 of expected weight with edema - Marasmic Kwashiorkor. Weight below 60 of expected weight without edema - Marasmus.VI. Gopalans Classification Considering both weight for age and weight for height - other classifications are based on weight for ageType of PEMWeight for AgeHeight for AgeWeight for HeightActive PEMReducedNormalReducedChronic PEMReducedReducedNormalChronic Active PEMReducedReducedReduced 