This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
A 4-year-old child with severe wasting and voracious appetite without pedal edema: 
Select and explain. 
A. Kwashiorkor, B. Marasmus, C. Both, D. None
B: Marasmus
Answer: B: Marasmus 
Explanation: b. Marasmus(Ref: Nelson's 20/e p 295-306> Ghai 8/e p 96-107)Clinical findingMarasmusEdemaAbsentActivityActiveAppetiteGood, VoraciousLiver enlargementAbsentMortalityLess than KwashiorkorRecoveryRecover earlySkin & hair changesLess common