This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Subject name: Pediatrics
[{'content': "Which of the following is true about the growth cha shown below? \nSelect and explain. \nA. It is a growth velocity curve, B. It can be used to know whether a child has wasting or not, C. It is used for serial assessment of growth status of a girl, D. It cannot detect 'failure to thrive'", 'role': 'user'}, {'content': "Answer: C \nExplanation: Discussing about the options one by one, a. False; It is the weight for age growth cha, not a growth velocity cha b. False; Wasting is decrease in weight for height, but this is a weight for age cha e. True; It is used for serial assessment of growth status of a girl c. False; It can be used to detect 'failure to thrive' i.e. not gaining weight properly", 'role': 'assistant'}]