This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Pediatrics
[{'content': 'Which is the most specific clinical feature for diagnosis for Kwashiorkor? \nSelect and explain. \nA. Fatty liver, B. Easy pluckable hair, C. Low serum albumin, D. Edema', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Kwashiorkor is primarily a clinical diagnosis. There is no specific diagnostic test for the condition. Edema is the defining characteristic. MARASMUS - Severe malnutrition without EDEMA KWASHIORKOR - Severe malnutrition with EDEMA', 'role': 'assistant'}]