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
Inferior alveolar nerve block is absolutely
contraindicated in patients suffering from one of the following diseases: 
Select and explain. 
A. Thrombocytopenia, B. Hemophilia, C. Hypoprothrombinemia, D. Von willebrand's disease
B: Hemophilia
Answer: B: Hemophilia 
Explanation: None