This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic disorders - 1, Subject name: Orthopaedics
[{'content': "Arrange the following diseases in order of the zones of their involvement while going from metaphysis to epiphysis a. Gigantism b. Rickets c. Gaucher's disease d. Scurvy \nSelect and explain. \nA. d-b-c-a, B. d-b-a-c, C. a-d-c-b, D. b-d-a-c", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Various zones of physis are involved in different pathology and they affect the growth of limb accordingly. Gauchers disease involve reserve zone Gigantism involves proliferative zone. Rickets involve hyperophic zone Scurvy involves spongiosa zone', 'role': 'assistant'}]