This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Fraying and cupping of metaphyses of long bones in a child does not occur in – 
Select and explain. 
A. Rickets, B. Lead poisoning, C. Metaphyseal dysplasia, D. Hypophosphatasia
B: Lead poisoning
Answer: B: Lead poisoning 
Explanation: Rickets, metaphyseal dysplasia, scurvy and hypophosphatasia can cause cupping and fraying of metaphysics.