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
Extraction of a tooth during acute infection: 
Select and explain. 
A. Can cause extensive spread of infection, B. Helps drainage and relieves pain if proper antibiotic is given and its adequate blood level is reached, C. Can cause sudden death due to pulmonary embolism, D. Can Lead to trigeminal neuralgia in post operative period
B: Helps drainage and relieves pain if proper antibiotic is given and its adequate blood level is reached
Answer: B: Helps drainage and relieves pain if proper antibiotic is given and its adequate blood level is reached 
Explanation: None