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: Radiology
In anterior maxillary occlusal projection, the central ray of the X-ray beam enters the patient's face through the: 
Select and explain. 
A. Tip of the chin, B. Tip of the nose, C. Bridge of the nose, D. Glabella
B: Tip of the nose
Answer: B: Tip of the nose 
Explanation: None