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: ENT
In case of uncontrolled epistaxis, ligation of internal maxillary artery is to be done in the - 
Select and explain. 
A. Maxillary antrum, B. Pterygopalatine fossa, C. At the neck, D. Medial wall of orbit
B: Pterygopalatine fossa
Answer: B: Pterygopalatine fossa 
Explanation: None