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
'Rubber band' extraction is a method of extraction in patients having 
Select and explain. 
A. Bleeding disorders, B. Myocardial infarction and angina pectoris, C. Supernumerary teeth, D. Impacted teeth
A: Bleeding disorders
Answer: A: Bleeding disorders 
Explanation: None