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 of anterior ends of ribs is seen in 
Select and explain. 
A. Scurvy, B. Rickets, C. Down syndrome, D. Osteoporosis
B: Rickets
Answer: B: Rickets 
Explanation: Ans. Rickets