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: Surgery
Dry socket 
Select and explain. 
A. Results from loss of blood clot in the socket, B. Is treated with reinducing bleeding into the socket, C. Is a form of osteomyelitis, D. Is common in extraction of anterior teeth
A: Results from loss of blood clot in the socket
Answer: A: Results from loss of blood clot in the socket 
Explanation: None